20236800

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 240

約数和(自身を含む): 73066752

約数和(自身を除く): 52829952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 31, 32, 34, 40, 48, 50, 51, 60, 62, 64, 68, 75, 80, 85, 93, 96, 100, 102, 120, 124, 128, 136, 150, 155, 160, 170, 186, 192, 200, 204, 240, 248, 255, 256, 272, 300, 310, 320, 340, 372, 384, 400, 408, 425, 465, 480, 496, 510, 512, 527, 544, 600, 620, 640, 680, 744, 768, 775, 800, 816, 850, 930, 960, 992, 1020, 1054, 1088, 1200, 1240, 1275, 1280, 1360, 1488, 1536, 1550, 1581, 1600, 1632, 1700, 1860, 1920, 1984, 2040, 2108, 2176, 2325, 2400, 2480, 2550, 2560, 2635, 2720, 2976, 3100, 3162, 3200, 3264, 3400, 3720, 3840, 3968, 4080, 4216, 4352, 4650, 4800, 4960, 5100, 5270, 5440, 5952, 6200, 6324, 6400, 6528, 6800, 7440, 7680, 7905, 7936, 8160, 8432, 8704, 9300, 9600, 9920, 10200, 10540, 10880, 11904, 12400, 12648, 12800, 13056, 13175, 13600, 14880, 15810, 15872, 16320, 16864, 18600, 19200, 19840, 20400, 21080, 21760, 23808, 24800, 25296, 26112, 26350, 27200, 29760, 31620, 32640, 33728, 37200, 38400, 39525, 39680, 40800, 42160, 43520, 47616, 49600, 50592, 52700, 54400, 59520, 63240, 65280, 67456, 74400, 79050, 79360, 81600, 84320, 99200, 101184, 105400, 108800, 119040, 126480, 130560, 134912, 148800, 158100, 163200, 168640, 198400, 202368, 210800, 217600, 238080, 252960, 269824, 297600, 316200, 326400, 337280, 396800, 404736, 421600, 505920, 595200, 632400, 652800, 674560, 809472, 843200, 1011840, 1190400, 1264800, 1349120, 1686400, 2023680, 2529600, 3372800, 4047360, 5059200, 6745600, 10118400, 20236800]

約数ペア:

[(1, 20236800), (2, 10118400), (3, 6745600), (4, 5059200), (5, 4047360), (6, 3372800), (8, 2529600), (10, 2023680), (12, 1686400), (15, 1349120), (16, 1264800), (17, 1190400), (20, 1011840), (24, 843200), (25, 809472), (30, 674560), (31, 652800), (32, 632400), (34, 595200), (40, 505920), (48, 421600), (50, 404736), (51, 396800), (60, 337280), (62, 326400), (64, 316200), (68, 297600), (75, 269824), (80, 252960), (85, 238080), (93, 217600), (96, 210800), (100, 202368), (102, 198400), (120, 168640), (124, 163200), (128, 158100), (136, 148800), (150, 134912), (155, 130560), (160, 126480), (170, 119040), (186, 108800), (192, 105400), (200, 101184), (204, 99200), (240, 84320), (248, 81600), (255, 79360), (256, 79050), (272, 74400), (300, 67456), (310, 65280), (320, 63240), (340, 59520), (372, 54400), (384, 52700), (400, 50592), (408, 49600), (425, 47616), (465, 43520), (480, 42160), (496, 40800), (510, 39680), (512, 39525), (527, 38400), (544, 37200), (600, 33728), (620, 32640), (640, 31620), (680, 29760), (744, 27200), (768, 26350), (775, 26112), (800, 25296), (816, 24800), (850, 23808), (930, 21760), (960, 21080), (992, 20400), (1020, 19840), (1054, 19200), (1088, 18600), (1200, 16864), (1240, 16320), (1275, 15872), (1280, 15810), (1360, 14880), (1488, 13600), (1536, 13175), (1550, 13056), (1581, 12800), (1600, 12648), (1632, 12400), (1700, 11904), (1860, 10880), (1920, 10540), (1984, 10200), (2040, 9920), (2108, 9600), (2176, 9300), (2325, 8704), (2400, 8432), (2480, 8160), (2550, 7936), (2560, 7905), (2635, 7680), (2720, 7440), (2976, 6800), (3100, 6528), (3162, 6400), (3200, 6324), (3264, 6200), (3400, 5952), (3720, 5440), (3840, 5270), (3968, 5100), (4080, 4960), (4216, 4800), (4352, 4650)]