20123852565

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{8423}}^1$

素因数の和:8634

約数の個数: 64

約数和(自身を含む): 34644879360

約数和(自身を除く): 14521026795

約数列:

[1, 3, 5, 15, 19, 57, 83, 95, 101, 249, 285, 303, 415, 505, 1245, 1515, 1577, 1919, 4731, 5757, 7885, 8383, 8423, 9595, 23655, 25149, 25269, 28785, 41915, 42115, 125745, 126345, 159277, 160037, 477831, 480111, 699109, 796385, 800185, 850723, 2097327, 2389155, 2400555, 2552169, 3495545, 4253615, 10486635, 12760845, 13283071, 16163737, 39849213, 48491211, 66415355, 70610009, 80818685, 199246065, 211830027, 242456055, 353050045, 1059150135, 1341590171, 4024770513, 6707950855, 20123852565]

約数ペア:

[(1, 20123852565), (3, 6707950855), (5, 4024770513), (15, 1341590171), (19, 1059150135), (57, 353050045), (83, 242456055), (95, 211830027), (101, 199246065), (249, 80818685), (285, 70610009), (303, 66415355), (415, 48491211), (505, 39849213), (1245, 16163737), (1515, 13283071), (1577, 12760845), (1919, 10486635), (4731, 4253615), (5757, 3495545), (7885, 2552169), (8383, 2400555), (8423, 2389155), (9595, 2097327), (23655, 850723), (25149, 800185), (25269, 796385), (28785, 699109), (41915, 480111), (42115, 477831), (125745, 160037), (126345, 159277)]