20414628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 56112056

約数和(自身を除く): 35697428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 181, 234, 241, 362, 468, 482, 543, 723, 724, 964, 1086, 1446, 1629, 2169, 2172, 2353, 2892, 3133, 3258, 4338, 4706, 6266, 6516, 7059, 8676, 9399, 9412, 12532, 14118, 18798, 21177, 28197, 28236, 37596, 42354, 43621, 56394, 84708, 87242, 112788, 130863, 174484, 261726, 392589, 523452, 567073, 785178, 1134146, 1570356, 1701219, 2268292, 3402438, 5103657, 6804876, 10207314, 20414628]

約数ペア:

[(1, 20414628), (2, 10207314), (3, 6804876), (4, 5103657), (6, 3402438), (9, 2268292), (12, 1701219), (13, 1570356), (18, 1134146), (26, 785178), (36, 567073), (39, 523452), (52, 392589), (78, 261726), (117, 174484), (156, 130863), (181, 112788), (234, 87242), (241, 84708), (362, 56394), (468, 43621), (482, 42354), (543, 37596), (723, 28236), (724, 28197), (964, 21177), (1086, 18798), (1446, 14118), (1629, 12532), (2169, 9412), (2172, 9399), (2353, 8676), (2892, 7059), (3133, 6516), (3258, 6266), (4338, 4706)]