20871742

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{1483}}^1$

素因数の和:1743

約数の個数: 16

約数和(自身を含む): 32481792

約数和(自身を除く): 11610050

約数列:

[1, 2, 31, 62, 227, 454, 1483, 2966, 7037, 14074, 45973, 91946, 336641, 673282, 10435871, 20871742]

約数ペア:

[(1, 20871742), (2, 10435871), (31, 673282), (62, 336641), (227, 91946), (454, 45973), (1483, 14074), (2966, 7037)]