20008320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:652

約数の個数: 128

約数和(自身を含む): 67638240

約数和(自身を除く): 47629920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 613, 640, 680, 816, 960, 1020, 1088, 1226, 1360, 1632, 1839, 1920, 2040, 2176, 2452, 2720, 3065, 3264, 3678, 4080, 4904, 5440, 6130, 6528, 7356, 8160, 9195, 9808, 10421, 10880, 12260, 14712, 16320, 18390, 19616, 20842, 24520, 29424, 31263, 32640, 36780, 39232, 41684, 49040, 52105, 58848, 62526, 73560, 78464, 83368, 98080, 104210, 117696, 125052, 147120, 156315, 166736, 196160, 208420, 235392, 250104, 294240, 312630, 333472, 392320, 416840, 500208, 588480, 625260, 666944, 833680, 1000416, 1176960, 1250520, 1333888, 1667360, 2000832, 2501040, 3334720, 4001664, 5002080, 6669440, 10004160, 20008320]

約数ペア:

[(1, 20008320), (2, 10004160), (3, 6669440), (4, 5002080), (5, 4001664), (6, 3334720), (8, 2501040), (10, 2000832), (12, 1667360), (15, 1333888), (16, 1250520), (17, 1176960), (20, 1000416), (24, 833680), (30, 666944), (32, 625260), (34, 588480), (40, 500208), (48, 416840), (51, 392320), (60, 333472), (64, 312630), (68, 294240), (80, 250104), (85, 235392), (96, 208420), (102, 196160), (120, 166736), (128, 156315), (136, 147120), (160, 125052), (170, 117696), (192, 104210), (204, 98080), (240, 83368), (255, 78464), (272, 73560), (320, 62526), (340, 58848), (384, 52105), (408, 49040), (480, 41684), (510, 39232), (544, 36780), (613, 32640), (640, 31263), (680, 29424), (816, 24520), (960, 20842), (1020, 19616), (1088, 18390), (1226, 16320), (1360, 14712), (1632, 12260), (1839, 10880), (1920, 10421), (2040, 9808), (2176, 9195), (2452, 8160), (2720, 7356), (3065, 6528), (3264, 6130), (3678, 5440), (4080, 4904)]