20150744

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 39296640

約数和(自身を除く): 19145896

約数列:

[1, 2, 4, 8, 31, 62, 124, 193, 248, 386, 421, 772, 842, 1544, 1684, 3368, 5983, 11966, 13051, 23932, 26102, 47864, 52204, 81253, 104408, 162506, 325012, 650024, 2518843, 5037686, 10075372, 20150744]

約数ペア:

[(1, 20150744), (2, 10075372), (4, 5037686), (8, 2518843), (31, 650024), (62, 325012), (124, 162506), (193, 104408), (248, 81253), (386, 52204), (421, 47864), (772, 26102), (842, 23932), (1544, 13051), (1684, 11966), (3368, 5983)]