20269712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74521}}^1$

素因数の和:74546

約数の個数: 20

約数和(自身を含む): 41583276

約数和(自身を除く): 21313564

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74521, 149042, 298084, 596168, 1192336, 1266857, 2533714, 5067428, 10134856, 20269712]

約数ペア:

[(1, 20269712), (2, 10134856), (4, 5067428), (8, 2533714), (16, 1266857), (17, 1192336), (34, 596168), (68, 298084), (136, 149042), (272, 74521)]