20157502

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2339}}^1$

素因数の和:2511

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 11292098

約数列:

[1, 2, 31, 62, 139, 278, 2339, 4309, 4678, 8618, 72509, 145018, 325121, 650242, 10078751, 20157502]

約数ペア:

[(1, 20157502), (2, 10078751), (31, 650242), (62, 325121), (139, 145018), (278, 72509), (2339, 8618), (4309, 4678)]