20282768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6779}}^1$

素因数の和:6815

約数の個数: 40

約数和(自身を含む): 45398880

約数和(自身を除く): 25116112

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6779, 13558, 27116, 54232, 74569, 108464, 115243, 149138, 230486, 298276, 460972, 596552, 921944, 1193104, 1267673, 1843888, 2535346, 5070692, 10141384, 20282768]

約数ペア:

[(1, 20282768), (2, 10141384), (4, 5070692), (8, 2535346), (11, 1843888), (16, 1267673), (17, 1193104), (22, 921944), (34, 596552), (44, 460972), (68, 298276), (88, 230486), (136, 149138), (176, 115243), (187, 108464), (272, 74569), (374, 54232), (748, 27116), (1496, 13558), (2992, 6779)]