20738770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5501}}^1$

素因数の和:5550

約数の個数: 32

約数和(自身を含む): 41595120

約数和(自身を除く): 20856350

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5501, 11002, 27505, 55010, 71513, 143026, 159529, 319058, 357565, 715130, 797645, 1595290, 2073877, 4147754, 10369385, 20738770]

約数ペア:

[(1, 20738770), (2, 10369385), (5, 4147754), (10, 2073877), (13, 1595290), (26, 797645), (29, 715130), (58, 357565), (65, 319058), (130, 159529), (145, 143026), (290, 71513), (377, 55010), (754, 27505), (1885, 11002), (3770, 5501)]