20346648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 58475520

約数和(自身を除く): 38128872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 281, 431, 562, 843, 862, 1124, 1293, 1686, 1724, 1967, 2248, 2586, 3017, 3372, 3448, 3934, 5172, 5901, 6034, 6744, 7868, 9051, 10344, 11802, 12068, 15736, 18102, 23604, 24136, 36204, 47208, 72408, 121111, 242222, 363333, 484444, 726666, 847777, 968888, 1453332, 1695554, 2543331, 2906664, 3391108, 5086662, 6782216, 10173324, 20346648]

約数ペア:

[(1, 20346648), (2, 10173324), (3, 6782216), (4, 5086662), (6, 3391108), (7, 2906664), (8, 2543331), (12, 1695554), (14, 1453332), (21, 968888), (24, 847777), (28, 726666), (42, 484444), (56, 363333), (84, 242222), (168, 121111), (281, 72408), (431, 47208), (562, 36204), (843, 24136), (862, 23604), (1124, 18102), (1293, 15736), (1686, 12068), (1724, 11802), (1967, 10344), (2248, 9051), (2586, 7868), (3017, 6744), (3372, 6034), (3448, 5901), (3934, 5172)]