20389631778

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{397}}^1\times {\mathrm{26177}}^1$

素因数の和:26691

約数の個数: 48

約数和(自身を含む): 44696840760

約数和(自身を除く): 24307208982

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 397, 654, 794, 981, 1191, 1962, 2382, 3573, 7146, 26177, 43273, 52354, 78531, 86546, 129819, 157062, 235593, 259638, 389457, 471186, 778914, 2853293, 5706586, 8559879, 10392269, 17119758, 20784538, 25679637, 31176807, 51359274, 62353614, 93530421, 187060842, 1132757321, 2265514642, 3398271963, 6796543926, 10194815889, 20389631778]

約数ペア:

[(1, 20389631778), (2, 10194815889), (3, 6796543926), (6, 3398271963), (9, 2265514642), (18, 1132757321), (109, 187060842), (218, 93530421), (327, 62353614), (397, 51359274), (654, 31176807), (794, 25679637), (981, 20784538), (1191, 17119758), (1962, 10392269), (2382, 8559879), (3573, 5706586), (7146, 2853293), (26177, 778914), (43273, 471186), (52354, 389457), (78531, 259638), (86546, 235593), (129819, 157062)]