20147494

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:324

約数の個数: 24

約数和(自身を含む): 32051880

約数和(自身を除く): 11904386

約数列:

[1, 2, 23, 46, 137, 139, 274, 278, 529, 1058, 3151, 3197, 6302, 6394, 19043, 38086, 72473, 73531, 144946, 147062, 437989, 875978, 10073747, 20147494]

約数ペア:

[(1, 20147494), (2, 10073747), (23, 875978), (46, 437989), (137, 147062), (139, 144946), (274, 73531), (278, 72473), (529, 38086), (1058, 19043), (3151, 6394), (3197, 6302)]