20258700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{877}}^1$

素因数の和:912

約数の個数: 144

約数和(自身を含む): 73161984

約数和(自身を除く): 52903284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 132, 140, 150, 154, 165, 175, 210, 220, 231, 275, 300, 308, 330, 350, 385, 420, 462, 525, 550, 660, 700, 770, 825, 877, 924, 1050, 1100, 1155, 1540, 1650, 1754, 1925, 2100, 2310, 2631, 3300, 3508, 3850, 4385, 4620, 5262, 5775, 6139, 7700, 8770, 9647, 10524, 11550, 12278, 13155, 17540, 18417, 19294, 21925, 23100, 24556, 26310, 28941, 30695, 36834, 38588, 43850, 48235, 52620, 57882, 61390, 65775, 67529, 73668, 87700, 92085, 96470, 115764, 122780, 131550, 135058, 144705, 153475, 184170, 192940, 202587, 241175, 263100, 270116, 289410, 306950, 337645, 368340, 405174, 460425, 482350, 578820, 613900, 675290, 723525, 810348, 920850, 964700, 1012935, 1350580, 1447050, 1688225, 1841700, 2025870, 2894100, 3376450, 4051740, 5064675, 6752900, 10129350, 20258700]

約数ペア:

[(1, 20258700), (2, 10129350), (3, 6752900), (4, 5064675), (5, 4051740), (6, 3376450), (7, 2894100), (10, 2025870), (11, 1841700), (12, 1688225), (14, 1447050), (15, 1350580), (20, 1012935), (21, 964700), (22, 920850), (25, 810348), (28, 723525), (30, 675290), (33, 613900), (35, 578820), (42, 482350), (44, 460425), (50, 405174), (55, 368340), (60, 337645), (66, 306950), (70, 289410), (75, 270116), (77, 263100), (84, 241175), (100, 202587), (105, 192940), (110, 184170), (132, 153475), (140, 144705), (150, 135058), (154, 131550), (165, 122780), (175, 115764), (210, 96470), (220, 92085), (231, 87700), (275, 73668), (300, 67529), (308, 65775), (330, 61390), (350, 57882), (385, 52620), (420, 48235), (462, 43850), (525, 38588), (550, 36834), (660, 30695), (700, 28941), (770, 26310), (825, 24556), (877, 23100), (924, 21925), (1050, 19294), (1100, 18417), (1155, 17540), (1540, 13155), (1650, 12278), (1754, 11550), (1925, 10524), (2100, 9647), (2310, 8770), (2631, 7700), (3300, 6139), (3508, 5775), (3850, 5262), (4385, 4620)]