20377011921

素因数分解:

$3^1\times 7^1\times {\mathrm{970333901}}^1$

素因数の和:970333911

約数の個数: 8

約数和(自身を含む): 31050684864

約数和(自身を除く): 10673672943

約数列:

[1, 3, 7, 21, 970333901, 2911001703, 6792337307, 20377011921]

約数ペア:

[(1, 20377011921), (3, 6792337307), (7, 2911001703), (21, 970333901)]