20165850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1093}}^1$

素因数の和:1152

約数の個数: 72

約数和(自身を含む): 55551132

約数和(自身を除く): 35385282

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 41, 45, 50, 75, 82, 90, 123, 150, 205, 225, 246, 369, 410, 450, 615, 738, 1025, 1093, 1230, 1845, 2050, 2186, 3075, 3279, 3690, 5465, 6150, 6558, 9225, 9837, 10930, 16395, 18450, 19674, 27325, 32790, 44813, 49185, 54650, 81975, 89626, 98370, 134439, 163950, 224065, 245925, 268878, 403317, 448130, 491850, 672195, 806634, 1120325, 1344390, 2016585, 2240650, 3360975, 4033170, 6721950, 10082925, 20165850]

約数ペア:

[(1, 20165850), (2, 10082925), (3, 6721950), (5, 4033170), (6, 3360975), (9, 2240650), (10, 2016585), (15, 1344390), (18, 1120325), (25, 806634), (30, 672195), (41, 491850), (45, 448130), (50, 403317), (75, 268878), (82, 245925), (90, 224065), (123, 163950), (150, 134439), (205, 98370), (225, 89626), (246, 81975), (369, 54650), (410, 49185), (450, 44813), (615, 32790), (738, 27325), (1025, 19674), (1093, 18450), (1230, 16395), (1845, 10930), (2050, 9837), (2186, 9225), (3075, 6558), (3279, 6150), (3690, 5465)]