20565767745

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{23627}}^1$

素因数の和:23719

約数の個数: 72

約数和(自身を含む): 38525737536

約数和(自身を除く): 17959969791

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 345, 435, 667, 841, 1035, 1305, 2001, 2523, 3335, 4205, 6003, 7569, 10005, 12615, 19343, 23627, 30015, 37845, 58029, 70881, 96715, 118135, 174087, 212643, 290145, 354405, 543421, 685183, 870435, 1063215, 1630263, 2055549, 2717105, 3425915, 4890789, 6166647, 8151315, 10277745, 15759209, 19870307, 24453945, 30833235, 47277627, 59610921, 78796045, 99351535, 141832881, 178832763, 236388135, 298054605, 457017061, 709164405, 894163815, 1371051183, 2285085305, 4113153549, 6855255915, 20565767745]

約数ペア:

[(1, 20565767745), (3, 6855255915), (5, 4113153549), (9, 2285085305), (15, 1371051183), (23, 894163815), (29, 709164405), (45, 457017061), (69, 298054605), (87, 236388135), (115, 178832763), (145, 141832881), (207, 99351535), (261, 78796045), (345, 59610921), (435, 47277627), (667, 30833235), (841, 24453945), (1035, 19870307), (1305, 15759209), (2001, 10277745), (2523, 8151315), (3335, 6166647), (4205, 4890789), (6003, 3425915), (7569, 2717105), (10005, 2055549), (12615, 1630263), (19343, 1063215), (23627, 870435), (30015, 685183), (37845, 543421), (58029, 354405), (70881, 290145), (96715, 212643), (118135, 174087)]