20835048

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1618

約数の個数: 64

約数和(自身を含む): 57435840

約数和(自身を除く): 36600792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1553, 1677, 2236, 3106, 3354, 4472, 4659, 6212, 6708, 9318, 12424, 13416, 18636, 20189, 37272, 40378, 60567, 66779, 80756, 121134, 133558, 161512, 200337, 242268, 267116, 400674, 484536, 534232, 801348, 868127, 1602696, 1736254, 2604381, 3472508, 5208762, 6945016, 10417524, 20835048]

約数ペア:

[(1, 20835048), (2, 10417524), (3, 6945016), (4, 5208762), (6, 3472508), (8, 2604381), (12, 1736254), (13, 1602696), (24, 868127), (26, 801348), (39, 534232), (43, 484536), (52, 400674), (78, 267116), (86, 242268), (104, 200337), (129, 161512), (156, 133558), (172, 121134), (258, 80756), (312, 66779), (344, 60567), (516, 40378), (559, 37272), (1032, 20189), (1118, 18636), (1553, 13416), (1677, 12424), (2236, 9318), (3106, 6708), (3354, 6212), (4472, 4659)]