20182503520

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{773869}}^1$

素因数の和:774047

約数の個数: 48

約数和(自身を含む): 47973749040

約数和(自身を除く): 27791245520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 13040, 26080, 773869, 1547738, 3095476, 3869345, 6190952, 7738690, 12381904, 15477380, 24763808, 30954760, 61909520, 123819040, 126140647, 252281294, 504562588, 630703235, 1009125176, 1261406470, 2018250352, 2522812940, 4036500704, 5045625880, 10091251760, 20182503520]

約数ペア:

[(1, 20182503520), (2, 10091251760), (4, 5045625880), (5, 4036500704), (8, 2522812940), (10, 2018250352), (16, 1261406470), (20, 1009125176), (32, 630703235), (40, 504562588), (80, 252281294), (160, 126140647), (163, 123819040), (326, 61909520), (652, 30954760), (815, 24763808), (1304, 15477380), (1630, 12381904), (2608, 7738690), (3260, 6190952), (5216, 3869345), (6520, 3095476), (13040, 1547738), (26080, 773869)]