20860398

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 49008960

約数和(自身を除く): 28148562

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 239, 373, 478, 717, 746, 1119, 1434, 2151, 2238, 3107, 3357, 4302, 4849, 6214, 6714, 9321, 9698, 14547, 18642, 27963, 29094, 43641, 55926, 87282, 89147, 178294, 267441, 534882, 802323, 1158911, 1604646, 2317822, 3476733, 6953466, 10430199, 20860398]

約数ペア:

[(1, 20860398), (2, 10430199), (3, 6953466), (6, 3476733), (9, 2317822), (13, 1604646), (18, 1158911), (26, 802323), (39, 534882), (78, 267441), (117, 178294), (234, 89147), (239, 87282), (373, 55926), (478, 43641), (717, 29094), (746, 27963), (1119, 18642), (1434, 14547), (2151, 9698), (2238, 9321), (3107, 6714), (3357, 6214), (4302, 4849)]