20193793921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{7549}}^1\times {\mathrm{20113}}^1$

素因数の和:27688

約数の個数: 16

約数和(自身を含む): 24297712000

約数和(自身を除く): 4103918079

約数列:

[1, 7, 19, 133, 7549, 20113, 52843, 140791, 143431, 382147, 1004017, 2675029, 151833037, 1062831259, 2884827703, 20193793921]

約数ペア:

[(1, 20193793921), (7, 2884827703), (19, 1062831259), (133, 151833037), (7549, 2675029), (20113, 1004017), (52843, 382147), (140791, 143431)]