20154722812

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{274423}}^1$

素因数の和:274538

約数の個数: 48

約数和(自身を含む): 41923205632

約数和(自身を除く): 21768482820

約数列:

[1, 2, 4, 7, 14, 28, 43, 61, 86, 122, 172, 244, 301, 427, 602, 854, 1204, 1708, 2623, 5246, 10492, 18361, 36722, 73444, 274423, 548846, 1097692, 1920961, 3841922, 7683844, 11800189, 16739803, 23600378, 33479606, 47200756, 66959212, 82601323, 117178621, 165202646, 234357242, 330405292, 468714484, 719811529, 1439623058, 2879246116, 5038680703, 10077361406, 20154722812]

約数ペア:

[(1, 20154722812), (2, 10077361406), (4, 5038680703), (7, 2879246116), (14, 1439623058), (28, 719811529), (43, 468714484), (61, 330405292), (86, 234357242), (122, 165202646), (172, 117178621), (244, 82601323), (301, 66959212), (427, 47200756), (602, 33479606), (854, 23600378), (1204, 16739803), (1708, 11800189), (2623, 7683844), (5246, 3841922), (10492, 1920961), (18361, 1097692), (36722, 548846), (73444, 274423)]