20804849828642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{6971}}^1\times {\mathrm{642931}}^1$

素因数の和:650126

約数の個数: 32

約数和(自身を含む): 34210607171328

約数和(自身を除く): 13405757342686

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4642, 6971, 13942, 76681, 153362, 642931, 1285862, 1470881, 2941762, 7072241, 14144482, 16179691, 32359382, 135658441, 271316882, 1492242851, 2984485702, 4481872001, 8963744002, 49300592011, 98601184022, 945674992211, 1891349984422, 10402424914321, 20804849828642]

約数ペア:

[(1, 20804849828642), (2, 10402424914321), (11, 1891349984422), (22, 945674992211), (211, 98601184022), (422, 49300592011), (2321, 8963744002), (4642, 4481872001), (6971, 2984485702), (13942, 1492242851), (76681, 271316882), (153362, 135658441), (642931, 32359382), (1285862, 16179691), (1470881, 14144482), (2941762, 7072241)]