20973266

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{821}}^1$

素因数の和:1117

約数の個数: 16

約数和(自身を含む): 32225688

約数和(自身を除く): 11252422

約数列:

[1, 2, 53, 106, 241, 482, 821, 1642, 12773, 25546, 43513, 87026, 197861, 395722, 10486633, 20973266]

約数ペア:

[(1, 20973266), (2, 10486633), (53, 395722), (106, 197861), (241, 87026), (482, 43513), (821, 25546), (1642, 12773)]