20135283

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 11659917

約数列:

[1, 3, 7, 21, 53, 79, 159, 229, 237, 371, 553, 687, 1113, 1603, 1659, 4187, 4809, 12137, 12561, 18091, 29309, 36411, 54273, 84959, 87927, 126637, 254877, 379911, 958823, 2876469, 6711761, 20135283]

約数ペア:

[(1, 20135283), (3, 6711761), (7, 2876469), (21, 958823), (53, 379911), (79, 254877), (159, 126637), (229, 87927), (237, 84959), (371, 54273), (553, 36411), (687, 29309), (1113, 18091), (1603, 12561), (1659, 12137), (4187, 4809)]