20502130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6427}}^1$

素因数の和:6474

約数の個数: 32

約数和(自身を含む): 41653440

約数和(自身を除く): 21151310

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6427, 12854, 32135, 64270, 70697, 141394, 186383, 353485, 372766, 706970, 931915, 1863830, 2050213, 4100426, 10251065, 20502130]

約数ペア:

[(1, 20502130), (2, 10251065), (5, 4100426), (10, 2050213), (11, 1863830), (22, 931915), (29, 706970), (55, 372766), (58, 353485), (110, 186383), (145, 141394), (290, 70697), (319, 64270), (638, 32135), (1595, 12854), (3190, 6427)]