20281112

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 38887680

約数和(自身を除く): 18606568

約数列:

[1, 2, 4, 8, 103, 151, 163, 206, 302, 326, 412, 604, 652, 824, 1208, 1304, 15553, 16789, 24613, 31106, 33578, 49226, 62212, 67156, 98452, 124424, 134312, 196904, 2535139, 5070278, 10140556, 20281112]

約数ペア:

[(1, 20281112), (2, 10140556), (4, 5070278), (8, 2535139), (103, 196904), (151, 134312), (163, 124424), (206, 98452), (302, 67156), (326, 62212), (412, 49226), (604, 33578), (652, 31106), (824, 24613), (1208, 16789), (1304, 15553)]