20967000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:294

約数の個数: 128

約数和(自身を含む): 67953600

約数和(自身を除く): 46986600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 29, 30, 40, 50, 58, 60, 75, 87, 100, 116, 120, 125, 145, 150, 174, 200, 232, 241, 250, 290, 300, 348, 375, 435, 482, 500, 580, 600, 696, 723, 725, 750, 870, 964, 1000, 1160, 1205, 1446, 1450, 1500, 1740, 1928, 2175, 2410, 2892, 2900, 3000, 3480, 3615, 3625, 4350, 4820, 5784, 5800, 6025, 6989, 7230, 7250, 8700, 9640, 10875, 12050, 13978, 14460, 14500, 17400, 18075, 20967, 21750, 24100, 27956, 28920, 29000, 30125, 34945, 36150, 41934, 43500, 48200, 55912, 60250, 69890, 72300, 83868, 87000, 90375, 104835, 120500, 139780, 144600, 167736, 174725, 180750, 209670, 241000, 279560, 349450, 361500, 419340, 524175, 698900, 723000, 838680, 873625, 1048350, 1397800, 1747250, 2096700, 2620875, 3494500, 4193400, 5241750, 6989000, 10483500, 20967000]

約数ペア:

[(1, 20967000), (2, 10483500), (3, 6989000), (4, 5241750), (5, 4193400), (6, 3494500), (8, 2620875), (10, 2096700), (12, 1747250), (15, 1397800), (20, 1048350), (24, 873625), (25, 838680), (29, 723000), (30, 698900), (40, 524175), (50, 419340), (58, 361500), (60, 349450), (75, 279560), (87, 241000), (100, 209670), (116, 180750), (120, 174725), (125, 167736), (145, 144600), (150, 139780), (174, 120500), (200, 104835), (232, 90375), (241, 87000), (250, 83868), (290, 72300), (300, 69890), (348, 60250), (375, 55912), (435, 48200), (482, 43500), (500, 41934), (580, 36150), (600, 34945), (696, 30125), (723, 29000), (725, 28920), (750, 27956), (870, 24100), (964, 21750), (1000, 20967), (1160, 18075), (1205, 17400), (1446, 14500), (1450, 14460), (1500, 13978), (1740, 12050), (1928, 10875), (2175, 9640), (2410, 8700), (2892, 7250), (2900, 7230), (3000, 6989), (3480, 6025), (3615, 5800), (3625, 5784), (4350, 4820)]