20415253

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 22377600

約数和(自身を除く): 1962347

約数列:

[1, 19, 41, 73, 359, 779, 1387, 2993, 6821, 14719, 26207, 56867, 279661, 497933, 1074487, 20415253]

約数ペア:

[(1, 20415253), (19, 1074487), (41, 497933), (73, 279661), (359, 56867), (779, 26207), (1387, 14719), (2993, 6821)]