20187339430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1\times {\mathrm{1669}}^1$

素因数の和:2965

約数の個数: 64

約数和(自身を含む): 38853872640

約数和(自身を除く): 18666533210

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1223, 1669, 1978, 2446, 3338, 4945, 6115, 8345, 9890, 12230, 16690, 28129, 38387, 52589, 56258, 71767, 76774, 105178, 140645, 143534, 191935, 262945, 281290, 358835, 383870, 525890, 717670, 1209547, 1650641, 2041187, 2419094, 3301282, 4082374, 6047735, 8253205, 10205935, 12095470, 16506410, 20411870, 46947301, 87771041, 93894602, 175542082, 234736505, 438855205, 469473010, 877710410, 2018733943, 4037467886, 10093669715, 20187339430]

約数ペア:

[(1, 20187339430), (2, 10093669715), (5, 4037467886), (10, 2018733943), (23, 877710410), (43, 469473010), (46, 438855205), (86, 234736505), (115, 175542082), (215, 93894602), (230, 87771041), (430, 46947301), (989, 20411870), (1223, 16506410), (1669, 12095470), (1978, 10205935), (2446, 8253205), (3338, 6047735), (4945, 4082374), (6115, 3301282), (8345, 2419094), (9890, 2041187), (12230, 1650641), (16690, 1209547), (28129, 717670), (38387, 525890), (52589, 383870), (56258, 358835), (71767, 281290), (76774, 262945), (105178, 191935), (140645, 143534)]