20308064

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5333}}^1$

素因数の和:5367

約数の個数: 48

約数和(自身を含む): 48390048

約数和(自身を除く): 28081984

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5333, 10666, 21332, 37331, 42664, 74662, 85328, 90661, 149324, 170656, 181322, 298648, 362644, 597296, 634627, 725288, 1194592, 1269254, 1450576, 2538508, 2901152, 5077016, 10154032, 20308064]

約数ペア:

[(1, 20308064), (2, 10154032), (4, 5077016), (7, 2901152), (8, 2538508), (14, 1450576), (16, 1269254), (17, 1194592), (28, 725288), (32, 634627), (34, 597296), (56, 362644), (68, 298648), (112, 181322), (119, 170656), (136, 149324), (224, 90661), (238, 85328), (272, 74662), (476, 42664), (544, 37331), (952, 21332), (1904, 10666), (3808, 5333)]