20228934375

素因数分解:

$3^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:1012

約数の個数: 144

約数和(自身を含む): 40020376032

約数和(自身を除く): 19791441657

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 61, 65, 75, 117, 125, 183, 195, 225, 305, 325, 375, 549, 585, 625, 793, 907, 915, 975, 1125, 1525, 1625, 1875, 2379, 2721, 2745, 2925, 3125, 3965, 4535, 4575, 4875, 5625, 7137, 7625, 8125, 8163, 9375, 11791, 11895, 13605, 13725, 14625, 19825, 22675, 22875, 24375, 28125, 35373, 35685, 38125, 40625, 40815, 55327, 58955, 59475, 68025, 68625, 73125, 99125, 106119, 113375, 114375, 121875, 165981, 176865, 178425, 190625, 204075, 276635, 294775, 297375, 340125, 343125, 365625, 495625, 497943, 530595, 566875, 571875, 719251, 829905, 884325, 892125, 1020375, 1383175, 1473875, 1486875, 1700625, 1715625, 2157753, 2478125, 2489715, 2652975, 2834375, 3596255, 4149525, 4421625, 4460625, 5101875, 6473259, 6915875, 7369375, 7434375, 8503125, 10788765, 12448575, 13264875, 17981275, 20747625, 22108125, 22303125, 25509375, 32366295, 34579375, 36846875, 53943825, 62242875, 66324375, 89906375, 103738125, 110540625, 161831475, 172896875, 269719125, 311214375, 331621875, 449531875, 518690625, 809157375, 1348595625, 1556071875, 2247659375, 4045786875, 6742978125, 20228934375]

約数ペア:

[(1, 20228934375), (3, 6742978125), (5, 4045786875), (9, 2247659375), (13, 1556071875), (15, 1348595625), (25, 809157375), (39, 518690625), (45, 449531875), (61, 331621875), (65, 311214375), (75, 269719125), (117, 172896875), (125, 161831475), (183, 110540625), (195, 103738125), (225, 89906375), (305, 66324375), (325, 62242875), (375, 53943825), (549, 36846875), (585, 34579375), (625, 32366295), (793, 25509375), (907, 22303125), (915, 22108125), (975, 20747625), (1125, 17981275), (1525, 13264875), (1625, 12448575), (1875, 10788765), (2379, 8503125), (2721, 7434375), (2745, 7369375), (2925, 6915875), (3125, 6473259), (3965, 5101875), (4535, 4460625), (4575, 4421625), (4875, 4149525), (5625, 3596255), (7137, 2834375), (7625, 2652975), (8125, 2489715), (8163, 2478125), (9375, 2157753), (11791, 1715625), (11895, 1700625), (13605, 1486875), (13725, 1473875), (14625, 1383175), (19825, 1020375), (22675, 892125), (22875, 884325), (24375, 829905), (28125, 719251), (35373, 571875), (35685, 566875), (38125, 530595), (40625, 497943), (40815, 495625), (55327, 365625), (58955, 343125), (59475, 340125), (68025, 297375), (68625, 294775), (73125, 276635), (99125, 204075), (106119, 190625), (113375, 178425), (114375, 176865), (121875, 165981)]