20455969324

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1\times {\mathrm{15199}}^1$

素因数の和:15958

約数の個数: 48

約数和(自身を含む): 41552179200

約数和(自身を除く): 21096209876

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 677, 994, 1354, 1988, 2708, 4739, 9478, 15199, 18956, 30398, 48067, 60796, 96134, 106393, 192268, 212786, 336469, 425572, 672938, 1079129, 1345876, 2158258, 4316516, 7553903, 10289723, 15107806, 20579446, 30215612, 41158892, 72028061, 144056122, 288112244, 730570333, 1461140666, 2922281332, 5113992331, 10227984662, 20455969324]

約数ペア:

[(1, 20455969324), (2, 10227984662), (4, 5113992331), (7, 2922281332), (14, 1461140666), (28, 730570333), (71, 288112244), (142, 144056122), (284, 72028061), (497, 41158892), (677, 30215612), (994, 20579446), (1354, 15107806), (1988, 10289723), (2708, 7553903), (4739, 4316516), (9478, 2158258), (15199, 1345876), (18956, 1079129), (30398, 672938), (48067, 425572), (60796, 336469), (96134, 212786), (106393, 192268)]