20346513208

素因数分解:

$2^3\times 7^1\times {\mathrm{2351}}^1\times {\mathrm{154543}}^1$

素因数の和:156907

約数の個数: 32

約数和(自身を含む): 43618498560

約数和(自身を除く): 23271985352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2351, 4702, 9404, 16457, 18808, 32914, 65828, 131656, 154543, 309086, 618172, 1081801, 1236344, 2163602, 4327204, 8654408, 363330593, 726661186, 1453322372, 2543314151, 2906644744, 5086628302, 10173256604, 20346513208]

約数ペア:

[(1, 20346513208), (2, 10173256604), (4, 5086628302), (7, 2906644744), (8, 2543314151), (14, 1453322372), (28, 726661186), (56, 363330593), (2351, 8654408), (4702, 4327204), (9404, 2163602), (16457, 1236344), (18808, 1081801), (32914, 618172), (65828, 309086), (131656, 154543)]