20177887741

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{18691}}^1$

素因数の和:18993

約数の個数: 32

約数和(自身を含む): 24418630656

約数和(自身を除く): 4240742915

約数列:

[1, 11, 17, 23, 187, 251, 253, 391, 2761, 4267, 4301, 5773, 18691, 46937, 63503, 98141, 205601, 317747, 429893, 1079551, 3495217, 4691441, 4728823, 7308181, 51605851, 79754497, 80389991, 107903143, 877299467, 1186934573, 1834353431, 20177887741]

約数ペア:

[(1, 20177887741), (11, 1834353431), (17, 1186934573), (23, 877299467), (187, 107903143), (251, 80389991), (253, 79754497), (391, 51605851), (2761, 7308181), (4267, 4728823), (4301, 4691441), (5773, 3495217), (18691, 1079551), (46937, 429893), (63503, 317747), (98141, 205601)]