20767501865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1\times {\mathrm{12391}}^1$

素因数の和:13421

約数の個数: 32

約数和(自身を含む): 28094349312

約数和(自身を除く): 7326847447

約数列:

[1, 5, 11, 31, 55, 155, 341, 983, 1705, 4915, 10813, 12391, 30473, 54065, 61955, 136301, 152365, 335203, 384121, 681505, 1676015, 1920605, 4225331, 12180353, 21126655, 60901765, 133983883, 377590943, 669919415, 1887954715, 4153500373, 20767501865]

約数ペア:

[(1, 20767501865), (5, 4153500373), (11, 1887954715), (31, 669919415), (55, 377590943), (155, 133983883), (341, 60901765), (983, 21126655), (1705, 12180353), (4915, 4225331), (10813, 1920605), (12391, 1676015), (30473, 681505), (54065, 384121), (61955, 335203), (136301, 152365)]