20777808

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25463}}^1$

素因数の和:25491

約数の個数: 40

約数和(自身を含む): 56835648

約数和(自身を除く): 36057840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25463, 50926, 76389, 101852, 152778, 203704, 305556, 407408, 432871, 611112, 865742, 1222224, 1298613, 1731484, 2597226, 3462968, 5194452, 6925936, 10388904, 20777808]

約数ペア:

[(1, 20777808), (2, 10388904), (3, 6925936), (4, 5194452), (6, 3462968), (8, 2597226), (12, 1731484), (16, 1298613), (17, 1222224), (24, 865742), (34, 611112), (48, 432871), (51, 407408), (68, 305556), (102, 203704), (136, 152778), (204, 101852), (272, 76389), (408, 50926), (816, 25463)]