20966571362

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{49531}}^1$

素因数の和:49886

約数の個数: 32

約数和(自身を含む): 34921248768

約数和(自身を除く): 13954677406

約数列:

[1, 2, 11, 22, 71, 142, 271, 542, 781, 1562, 2981, 5962, 19241, 38482, 49531, 99062, 211651, 423302, 544841, 1089682, 3516701, 7033402, 13422901, 26845802, 38683711, 77367422, 147651911, 295303822, 953025971, 1906051942, 10483285681, 20966571362]

約数ペア:

[(1, 20966571362), (2, 10483285681), (11, 1906051942), (22, 953025971), (71, 295303822), (142, 147651911), (271, 77367422), (542, 38683711), (781, 26845802), (1562, 13422901), (2981, 7033402), (5962, 3516701), (19241, 1089682), (38482, 544841), (49531, 423302), (99062, 211651)]