20548854

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 45826560

約数和(自身を除く): 25277706

約数列:

[1, 2, 3, 6, 9, 18, 89, 101, 127, 178, 202, 254, 267, 303, 381, 534, 606, 762, 801, 909, 1143, 1602, 1818, 2286, 8989, 11303, 12827, 17978, 22606, 25654, 26967, 33909, 38481, 53934, 67818, 76962, 80901, 101727, 115443, 161802, 203454, 230886, 1141603, 2283206, 3424809, 6849618, 10274427, 20548854]

約数ペア:

[(1, 20548854), (2, 10274427), (3, 6849618), (6, 3424809), (9, 2283206), (18, 1141603), (89, 230886), (101, 203454), (127, 161802), (178, 115443), (202, 101727), (254, 80901), (267, 76962), (303, 67818), (381, 53934), (534, 38481), (606, 33909), (762, 26967), (801, 25654), (909, 22606), (1143, 17978), (1602, 12827), (1818, 11303), (2286, 8989)]