20634392

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 39694320

約数和(自身を除く): 19059928

約数列:

[1, 2, 4, 8, 67, 134, 137, 268, 274, 281, 536, 548, 562, 1096, 1124, 2248, 9179, 18358, 18827, 36716, 37654, 38497, 73432, 75308, 76994, 150616, 153988, 307976, 2579299, 5158598, 10317196, 20634392]

約数ペア:

[(1, 20634392), (2, 10317196), (4, 5158598), (8, 2579299), (67, 307976), (134, 153988), (137, 150616), (268, 76994), (274, 75308), (281, 73432), (536, 38497), (548, 37654), (562, 36716), (1096, 18827), (1124, 18358), (2248, 9179)]