20201190885

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{15773}}^1$

素因数の和:16019

約数の個数: 64

約数和(自身を含む): 36797587200

約数和(自身を除く): 16596396315

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 179, 265, 477, 537, 795, 895, 1431, 1611, 2385, 2685, 4833, 7155, 8055, 9487, 15773, 24165, 28461, 47319, 47435, 78865, 85383, 141957, 142305, 236595, 256149, 425871, 426915, 709785, 835969, 1280745, 2129355, 2507907, 2823367, 4179845, 7523721, 8470101, 12539535, 14116835, 22571163, 25410303, 37618605, 42350505, 76230909, 112855815, 127051515, 149638451, 381154545, 448915353, 748192255, 1346746059, 2244576765, 4040238177, 6733730295, 20201190885]

約数ペア:

[(1, 20201190885), (3, 6733730295), (5, 4040238177), (9, 2244576765), (15, 1346746059), (27, 748192255), (45, 448915353), (53, 381154545), (135, 149638451), (159, 127051515), (179, 112855815), (265, 76230909), (477, 42350505), (537, 37618605), (795, 25410303), (895, 22571163), (1431, 14116835), (1611, 12539535), (2385, 8470101), (2685, 7523721), (4833, 4179845), (7155, 2823367), (8055, 2507907), (9487, 2129355), (15773, 1280745), (24165, 835969), (28461, 709785), (47319, 426915), (47435, 425871), (78865, 256149), (85383, 236595), (141957, 142305)]