20100321825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1$

素因数の和:927

約数の個数: 96

約数和(自身を含む): 35519869440

約数和(自身を除く): 15419547615

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 107, 241, 285, 321, 475, 535, 547, 723, 1205, 1425, 1605, 1641, 2033, 2675, 2735, 3615, 4579, 6025, 6099, 8025, 8205, 10165, 10393, 13675, 13737, 18075, 22895, 25787, 30495, 31179, 41025, 50825, 51965, 58529, 68685, 77361, 114475, 128935, 131827, 152475, 155895, 175587, 259825, 292645, 343425, 386805, 395481, 489953, 644675, 659135, 779475, 877935, 1112051, 1463225, 1469859, 1934025, 1977405, 2449765, 2504713, 3295675, 3336153, 4389675, 5560255, 7349295, 7514139, 9887025, 12248825, 12523565, 14105489, 16680765, 27801275, 36746475, 37570695, 42316467, 62617825, 70527445, 83403825, 187853475, 211582335, 268004291, 352637225, 804012873, 1057911675, 1340021455, 4020064365, 6700107275, 20100321825]

約数ペア:

[(1, 20100321825), (3, 6700107275), (5, 4020064365), (15, 1340021455), (19, 1057911675), (25, 804012873), (57, 352637225), (75, 268004291), (95, 211582335), (107, 187853475), (241, 83403825), (285, 70527445), (321, 62617825), (475, 42316467), (535, 37570695), (547, 36746475), (723, 27801275), (1205, 16680765), (1425, 14105489), (1605, 12523565), (1641, 12248825), (2033, 9887025), (2675, 7514139), (2735, 7349295), (3615, 5560255), (4579, 4389675), (6025, 3336153), (6099, 3295675), (8025, 2504713), (8205, 2449765), (10165, 1977405), (10393, 1934025), (13675, 1469859), (13737, 1463225), (18075, 1112051), (22895, 877935), (25787, 779475), (30495, 659135), (31179, 644675), (41025, 489953), (50825, 395481), (51965, 386805), (58529, 343425), (68685, 292645), (77361, 259825), (114475, 175587), (128935, 155895), (131827, 152475)]