20158846875

素因数分解:

$3^2\times 5^5\times {\mathrm{113}}^1\times {\mathrm{6343}}^1$

素因数の和:6487

約数の個数: 72

約数和(自身を含む): 36723462048

約数和(自身を除く): 16564615173

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 113, 125, 225, 339, 375, 565, 625, 1017, 1125, 1695, 1875, 2825, 3125, 5085, 5625, 6343, 8475, 9375, 14125, 19029, 25425, 28125, 31715, 42375, 57087, 70625, 95145, 127125, 158575, 211875, 285435, 353125, 475725, 635625, 716759, 792875, 1059375, 1427175, 2150277, 2378625, 3178125, 3583795, 3964375, 6450831, 7135875, 10751385, 11893125, 17918975, 19821875, 32254155, 35679375, 53756925, 59465625, 89594875, 161270775, 178396875, 268784625, 447974375, 806353875, 1343923125, 2239871875, 4031769375, 6719615625, 20158846875]

約数ペア:

[(1, 20158846875), (3, 6719615625), (5, 4031769375), (9, 2239871875), (15, 1343923125), (25, 806353875), (45, 447974375), (75, 268784625), (113, 178396875), (125, 161270775), (225, 89594875), (339, 59465625), (375, 53756925), (565, 35679375), (625, 32254155), (1017, 19821875), (1125, 17918975), (1695, 11893125), (1875, 10751385), (2825, 7135875), (3125, 6450831), (5085, 3964375), (5625, 3583795), (6343, 3178125), (8475, 2378625), (9375, 2150277), (14125, 1427175), (19029, 1059375), (25425, 792875), (28125, 716759), (31715, 635625), (42375, 475725), (57087, 353125), (70625, 285435), (95145, 211875), (127125, 158575)]