20575384

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{677}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 40273200

約数和(自身を除く): 19697816

約数列:

[1, 2, 4, 8, 29, 58, 116, 131, 232, 262, 524, 677, 1048, 1354, 2708, 3799, 5416, 7598, 15196, 19633, 30392, 39266, 78532, 88687, 157064, 177374, 354748, 709496, 2571923, 5143846, 10287692, 20575384]

約数ペア:

[(1, 20575384), (2, 10287692), (4, 5143846), (8, 2571923), (29, 709496), (58, 354748), (116, 177374), (131, 157064), (232, 88687), (262, 78532), (524, 39266), (677, 30392), (1048, 19633), (1354, 15196), (2708, 7598), (3799, 5416)]