20774752

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{727}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 23254688

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 727, 752, 893, 1454, 1504, 1786, 2908, 3572, 5816, 7144, 11632, 13813, 14288, 23264, 27626, 28576, 34169, 55252, 68338, 110504, 136676, 221008, 273352, 442016, 546704, 649211, 1093408, 1298422, 2596844, 5193688, 10387376, 20774752]

約数ペア:

[(1, 20774752), (2, 10387376), (4, 5193688), (8, 2596844), (16, 1298422), (19, 1093408), (32, 649211), (38, 546704), (47, 442016), (76, 273352), (94, 221008), (152, 136676), (188, 110504), (304, 68338), (376, 55252), (608, 34169), (727, 28576), (752, 27626), (893, 23264), (1454, 14288), (1504, 13813), (1786, 11632), (2908, 7144), (3572, 5816)]