20808468474

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1\times {\mathrm{1187}}^1$

素因数の和:1691

約数の個数: 64

約数和(自身を含む): 42722836992

約数和(自身を除く): 21914368518

約数列:

[1, 2, 3, 6, 61, 122, 183, 211, 227, 366, 422, 454, 633, 681, 1187, 1266, 1362, 2374, 3561, 7122, 12871, 13847, 25742, 27694, 38613, 41541, 47897, 72407, 77226, 83082, 95794, 143691, 144814, 217221, 250457, 269449, 287382, 434442, 500914, 538898, 751371, 808347, 1502742, 1616694, 2921717, 5843434, 8765151, 15277877, 16436389, 17530302, 30555754, 32872778, 45833631, 49309167, 56853739, 91667262, 98618334, 113707478, 170561217, 341122434, 3468078079, 6936156158, 10404234237, 20808468474]

約数ペア:

[(1, 20808468474), (2, 10404234237), (3, 6936156158), (6, 3468078079), (61, 341122434), (122, 170561217), (183, 113707478), (211, 98618334), (227, 91667262), (366, 56853739), (422, 49309167), (454, 45833631), (633, 32872778), (681, 30555754), (1187, 17530302), (1266, 16436389), (1362, 15277877), (2374, 8765151), (3561, 5843434), (7122, 2921717), (12871, 1616694), (13847, 1502742), (25742, 808347), (27694, 751371), (38613, 538898), (41541, 500914), (47897, 434442), (72407, 287382), (77226, 269449), (83082, 250457), (95794, 217221), (143691, 144814)]