20157627376

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{552809}}^1$

素因数の和:552913

約数の個数: 40

約数和(自身を含む): 40717773360

約数和(自身を除く): 20560145984

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 106, 172, 212, 344, 424, 688, 848, 2279, 4558, 9116, 18232, 36464, 552809, 1105618, 2211236, 4422472, 8844944, 23770787, 29298877, 47541574, 58597754, 95083148, 117195508, 190166296, 234391016, 380332592, 468782032, 1259851711, 2519703422, 5039406844, 10078813688, 20157627376]

約数ペア:

[(1, 20157627376), (2, 10078813688), (4, 5039406844), (8, 2519703422), (16, 1259851711), (43, 468782032), (53, 380332592), (86, 234391016), (106, 190166296), (172, 117195508), (212, 95083148), (344, 58597754), (424, 47541574), (688, 29298877), (848, 23770787), (2279, 8844944), (4558, 4422472), (9116, 2211236), (18232, 1105618), (36464, 552809)]