20619774

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5279}}^1$

素因数の和:5325

約数の個数: 48

約数和(自身を含む): 52715520

約数和(自身を除く): 32095746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 5279, 10558, 15837, 31674, 36953, 47511, 73906, 95022, 110859, 163649, 221718, 327298, 332577, 490947, 665154, 981894, 1145543, 1472841, 2291086, 2945682, 3436629, 6873258, 10309887, 20619774]

約数ペア:

[(1, 20619774), (2, 10309887), (3, 6873258), (6, 3436629), (7, 2945682), (9, 2291086), (14, 1472841), (18, 1145543), (21, 981894), (31, 665154), (42, 490947), (62, 332577), (63, 327298), (93, 221718), (126, 163649), (186, 110859), (217, 95022), (279, 73906), (434, 47511), (558, 36953), (651, 31674), (1302, 15837), (1953, 10558), (3906, 5279)]