20179753695

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{80669}}^1$

素因数の和:80809

約数の個数: 64

約数和(自身を含む): 38334384000

約数和(自身を除く): 18154630305

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 109, 135, 153, 255, 327, 459, 545, 765, 981, 1635, 1853, 2295, 2943, 4905, 5559, 9265, 14715, 16677, 27795, 50031, 80669, 83385, 242007, 250155, 403345, 726021, 1210035, 1371373, 2178063, 3630105, 4114119, 6856865, 8792921, 10890315, 12342357, 20570595, 26378763, 37027071, 43964605, 61711785, 79136289, 131893815, 149479657, 185135355, 237408867, 395681445, 448438971, 747398285, 1187044335, 1345316913, 2242194855, 4035950739, 6726584565, 20179753695]

約数ペア:

[(1, 20179753695), (3, 6726584565), (5, 4035950739), (9, 2242194855), (15, 1345316913), (17, 1187044335), (27, 747398285), (45, 448438971), (51, 395681445), (85, 237408867), (109, 185135355), (135, 149479657), (153, 131893815), (255, 79136289), (327, 61711785), (459, 43964605), (545, 37027071), (765, 26378763), (981, 20570595), (1635, 12342357), (1853, 10890315), (2295, 8792921), (2943, 6856865), (4905, 4114119), (5559, 3630105), (9265, 2178063), (14715, 1371373), (16677, 1210035), (27795, 726021), (50031, 403345), (80669, 250155), (83385, 242007)]