20349618590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{877}}^1\times {\mathrm{1571}}^1$

素因数の和:2673

約数の個数: 64

約数和(自身を含む): 42135234048

約数和(自身を除く): 21785615458

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 877, 1055, 1477, 1571, 1754, 2110, 2954, 3142, 4385, 6139, 7385, 7855, 8770, 10997, 12278, 14770, 15710, 21994, 30695, 54985, 61390, 109970, 185047, 331481, 370094, 662962, 925235, 1295329, 1377767, 1657405, 1850470, 2320367, 2590658, 2755534, 3314810, 4640734, 6476645, 6888835, 9644369, 11601835, 12953290, 13777670, 19288738, 23203670, 48221845, 96443690, 290708837, 581417674, 1453544185, 2034961859, 2907088370, 4069923718, 10174809295, 20349618590]

約数ペア:

[(1, 20349618590), (2, 10174809295), (5, 4069923718), (7, 2907088370), (10, 2034961859), (14, 1453544185), (35, 581417674), (70, 290708837), (211, 96443690), (422, 48221845), (877, 23203670), (1055, 19288738), (1477, 13777670), (1571, 12953290), (1754, 11601835), (2110, 9644369), (2954, 6888835), (3142, 6476645), (4385, 4640734), (6139, 3314810), (7385, 2755534), (7855, 2590658), (8770, 2320367), (10997, 1850470), (12278, 1657405), (14770, 1377767), (15710, 1295329), (21994, 925235), (30695, 662962), (54985, 370094), (61390, 331481), (109970, 185047)]