20104555

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 24984288

約数和(自身を除く): 4879733

約数列:

[1, 5, 41, 101, 205, 505, 971, 4141, 4855, 20705, 39811, 98071, 199055, 490355, 4020911, 20104555]

約数ペア:

[(1, 20104555), (5, 4020911), (41, 490355), (101, 199055), (205, 98071), (505, 39811), (971, 20705), (4141, 4855)]