20195992

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{18427}}^1$

素因数の和:18570

約数の個数: 16

約数和(自身を含む): 38145960

約数和(自身を除く): 17949968

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 18427, 36854, 73708, 147416, 2524499, 5048998, 10097996, 20195992]

約数ペア:

[(1, 20195992), (2, 10097996), (4, 5048998), (8, 2524499), (137, 147416), (274, 73708), (548, 36854), (1096, 18427)]