20010998

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 15369802

約数列:

[1, 2, 7, 14, 53, 106, 149, 181, 298, 362, 371, 742, 1043, 1267, 2086, 2534, 7897, 9593, 15794, 19186, 26969, 53938, 55279, 67151, 110558, 134302, 188783, 377566, 1429357, 2858714, 10005499, 20010998]

約数ペア:

[(1, 20010998), (2, 10005499), (7, 2858714), (14, 1429357), (53, 377566), (106, 188783), (149, 134302), (181, 110558), (298, 67151), (362, 55279), (371, 53938), (742, 26969), (1043, 19186), (1267, 15794), (2086, 9593), (2534, 7897)]