20334720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 256

約数和(自身を含む): 79315200

約数和(自身を除く): 58980480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 89, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 168, 170, 178, 192, 204, 210, 224, 238, 240, 255, 267, 272, 280, 320, 336, 340, 356, 357, 384, 408, 420, 445, 448, 476, 480, 510, 534, 544, 560, 595, 623, 640, 672, 680, 712, 714, 816, 840, 890, 896, 952, 960, 1020, 1068, 1088, 1120, 1190, 1246, 1335, 1344, 1360, 1424, 1428, 1513, 1632, 1680, 1780, 1785, 1869, 1904, 1920, 2040, 2136, 2176, 2240, 2380, 2492, 2670, 2688, 2720, 2848, 2856, 3026, 3115, 3264, 3360, 3560, 3570, 3738, 3808, 4080, 4272, 4480, 4539, 4760, 4984, 5340, 5440, 5696, 5712, 6052, 6230, 6528, 6720, 7120, 7140, 7476, 7565, 7616, 8160, 8544, 9078, 9345, 9520, 9968, 10591, 10680, 10880, 11392, 11424, 12104, 12460, 13440, 14240, 14280, 14952, 15130, 15232, 16320, 17088, 18156, 18690, 19040, 19936, 21182, 21360, 22695, 22848, 24208, 24920, 28480, 28560, 29904, 30260, 31773, 32640, 34176, 36312, 37380, 38080, 39872, 42364, 42720, 45390, 45696, 48416, 49840, 52955, 56960, 57120, 59808, 60520, 63546, 72624, 74760, 76160, 79744, 84728, 85440, 90780, 96832, 99680, 105910, 114240, 119616, 121040, 127092, 145248, 149520, 158865, 169456, 170880, 181560, 193664, 199360, 211820, 228480, 239232, 242080, 254184, 290496, 299040, 317730, 338912, 363120, 398720, 423640, 484160, 508368, 580992, 598080, 635460, 677824, 726240, 847280, 968320, 1016736, 1196160, 1270920, 1355648, 1452480, 1694560, 2033472, 2541840, 2904960, 3389120, 4066944, 5083680, 6778240, 10167360, 20334720]

約数ペア:

[(1, 20334720), (2, 10167360), (3, 6778240), (4, 5083680), (5, 4066944), (6, 3389120), (7, 2904960), (8, 2541840), (10, 2033472), (12, 1694560), (14, 1452480), (15, 1355648), (16, 1270920), (17, 1196160), (20, 1016736), (21, 968320), (24, 847280), (28, 726240), (30, 677824), (32, 635460), (34, 598080), (35, 580992), (40, 508368), (42, 484160), (48, 423640), (51, 398720), (56, 363120), (60, 338912), (64, 317730), (68, 299040), (70, 290496), (80, 254184), (84, 242080), (85, 239232), (89, 228480), (96, 211820), (102, 199360), (105, 193664), (112, 181560), (119, 170880), (120, 169456), (128, 158865), (136, 149520), (140, 145248), (160, 127092), (168, 121040), (170, 119616), (178, 114240), (192, 105910), (204, 99680), (210, 96832), (224, 90780), (238, 85440), (240, 84728), (255, 79744), (267, 76160), (272, 74760), (280, 72624), (320, 63546), (336, 60520), (340, 59808), (356, 57120), (357, 56960), (384, 52955), (408, 49840), (420, 48416), (445, 45696), (448, 45390), (476, 42720), (480, 42364), (510, 39872), (534, 38080), (544, 37380), (560, 36312), (595, 34176), (623, 32640), (640, 31773), (672, 30260), (680, 29904), (712, 28560), (714, 28480), (816, 24920), (840, 24208), (890, 22848), (896, 22695), (952, 21360), (960, 21182), (1020, 19936), (1068, 19040), (1088, 18690), (1120, 18156), (1190, 17088), (1246, 16320), (1335, 15232), (1344, 15130), (1360, 14952), (1424, 14280), (1428, 14240), (1513, 13440), (1632, 12460), (1680, 12104), (1780, 11424), (1785, 11392), (1869, 10880), (1904, 10680), (1920, 10591), (2040, 9968), (2136, 9520), (2176, 9345), (2240, 9078), (2380, 8544), (2492, 8160), (2670, 7616), (2688, 7565), (2720, 7476), (2848, 7140), (2856, 7120), (3026, 6720), (3115, 6528), (3264, 6230), (3360, 6052), (3560, 5712), (3570, 5696), (3738, 5440), (3808, 5340), (4080, 4984), (4272, 4760), (4480, 4539)]