20145358

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5147}}^1$

素因数の和:5271

約数の個数: 16

約数和(自身を含む): 32123520

約数和(自身を除く): 11978162

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 5147, 10294, 97793, 195586, 530141, 1060282, 10072679, 20145358]

約数ペア:

[(1, 20145358), (2, 10072679), (19, 1060282), (38, 530141), (103, 195586), (206, 97793), (1957, 10294), (3914, 5147)]