20495697866

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1\times {\mathrm{449}}^1$

素因数の和:1079

約数の個数: 64

約数和(自身を含む): 36261043200

約数和(自身を除く): 15765345334

約数列:

[1, 2, 7, 14, 47, 94, 173, 329, 346, 401, 449, 658, 802, 898, 1211, 2422, 2807, 3143, 5614, 6286, 8131, 16262, 18847, 21103, 37694, 42206, 56917, 69373, 77677, 113834, 131929, 138746, 147721, 155354, 180049, 263858, 295442, 360098, 485611, 543739, 971222, 1087478, 1260343, 2520686, 3260531, 3650819, 6521062, 7301638, 8462303, 16924606, 22823717, 25555733, 31148477, 45647434, 51111466, 59236121, 62296954, 118472242, 218039339, 436078678, 1463978419, 2927956838, 10247848933, 20495697866]

約数ペア:

[(1, 20495697866), (2, 10247848933), (7, 2927956838), (14, 1463978419), (47, 436078678), (94, 218039339), (173, 118472242), (329, 62296954), (346, 59236121), (401, 51111466), (449, 45647434), (658, 31148477), (802, 25555733), (898, 22823717), (1211, 16924606), (2422, 8462303), (2807, 7301638), (3143, 6521062), (5614, 3650819), (6286, 3260531), (8131, 2520686), (16262, 1260343), (18847, 1087478), (21103, 971222), (37694, 543739), (42206, 485611), (56917, 360098), (69373, 295442), (77677, 263858), (113834, 180049), (131929, 155354), (138746, 147721)]