20148830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154991}}^1$

素因数の和:155011

約数の個数: 16

約数和(自身を含む): 39057984

約数和(自身を除く): 18909154

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154991, 309982, 774955, 1549910, 2014883, 4029766, 10074415, 20148830]

約数ペア:

[(1, 20148830), (2, 10074415), (5, 4029766), (10, 2014883), (13, 1549910), (26, 774955), (65, 309982), (130, 154991)]