20835288

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^2\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 58095180

約数和(自身を除く): 37259892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 131, 141, 188, 262, 282, 376, 393, 423, 524, 564, 786, 846, 1048, 1128, 1179, 1572, 1692, 2209, 2358, 3144, 3384, 4418, 4716, 6157, 6627, 8836, 9432, 12314, 13254, 17672, 18471, 19881, 24628, 26508, 36942, 39762, 49256, 53016, 55413, 73884, 79524, 110826, 147768, 159048, 221652, 289379, 443304, 578758, 868137, 1157516, 1736274, 2315032, 2604411, 3472548, 5208822, 6945096, 10417644, 20835288]

約数ペア:

[(1, 20835288), (2, 10417644), (3, 6945096), (4, 5208822), (6, 3472548), (8, 2604411), (9, 2315032), (12, 1736274), (18, 1157516), (24, 868137), (36, 578758), (47, 443304), (72, 289379), (94, 221652), (131, 159048), (141, 147768), (188, 110826), (262, 79524), (282, 73884), (376, 55413), (393, 53016), (423, 49256), (524, 39762), (564, 36942), (786, 26508), (846, 24628), (1048, 19881), (1128, 18471), (1179, 17672), (1572, 13254), (1692, 12314), (2209, 9432), (2358, 8836), (3144, 6627), (3384, 6157), (4418, 4716)]