20694870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:434

約数の個数: 96

約数和(自身を含む): 62270208

約数和(自身を除く): 41575338

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 107, 126, 210, 214, 307, 315, 321, 535, 614, 630, 642, 749, 921, 963, 1070, 1498, 1535, 1605, 1842, 1926, 2149, 2247, 2763, 3070, 3210, 3745, 4298, 4494, 4605, 4815, 5526, 6447, 6741, 7490, 9210, 9630, 10745, 11235, 12894, 13482, 13815, 19341, 21490, 22470, 27630, 32235, 32849, 33705, 38682, 64470, 65698, 67410, 96705, 98547, 164245, 193410, 197094, 229943, 295641, 328490, 459886, 492735, 591282, 689829, 985470, 1149715, 1379658, 1478205, 2069487, 2299430, 2956410, 3449145, 4138974, 6898290, 10347435, 20694870]

約数ペア:

[(1, 20694870), (2, 10347435), (3, 6898290), (5, 4138974), (6, 3449145), (7, 2956410), (9, 2299430), (10, 2069487), (14, 1478205), (15, 1379658), (18, 1149715), (21, 985470), (30, 689829), (35, 591282), (42, 492735), (45, 459886), (63, 328490), (70, 295641), (90, 229943), (105, 197094), (107, 193410), (126, 164245), (210, 98547), (214, 96705), (307, 67410), (315, 65698), (321, 64470), (535, 38682), (614, 33705), (630, 32849), (642, 32235), (749, 27630), (921, 22470), (963, 21490), (1070, 19341), (1498, 13815), (1535, 13482), (1605, 12894), (1842, 11235), (1926, 10745), (2149, 9630), (2247, 9210), (2763, 7490), (3070, 6741), (3210, 6447), (3745, 5526), (4298, 4815), (4494, 4605)]