20178158974

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{7219}}^1\times {\mathrm{45083}}^1$

素因数の和:52335

約数の個数: 16

約数和(自身を含む): 31248622080

約数和(自身を除く): 11070463106

約数列:

[1, 2, 31, 62, 7219, 14438, 45083, 90166, 223789, 447578, 1397573, 2795146, 325454177, 650908354, 10089079487, 20178158974]

約数ペア:

[(1, 20178158974), (2, 10089079487), (31, 650908354), (62, 325454177), (7219, 2795146), (14438, 1397573), (45083, 447578), (90166, 223789)]