20844670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 49641984

約数和(自身を除く): 28797314

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 107, 110, 115, 121, 154, 161, 214, 230, 242, 253, 322, 385, 506, 535, 605, 749, 770, 805, 847, 1070, 1177, 1210, 1265, 1498, 1610, 1694, 1771, 2354, 2461, 2530, 2783, 3542, 3745, 4235, 4922, 5566, 5885, 7490, 8239, 8470, 8855, 11770, 12305, 12947, 13915, 16478, 17227, 17710, 19481, 24610, 25894, 27071, 27830, 34454, 38962, 41195, 54142, 64735, 82390, 86135, 90629, 97405, 129470, 135355, 172270, 181258, 189497, 194810, 270710, 297781, 378994, 453145, 595562, 906290, 947485, 1488905, 1894970, 2084467, 2977810, 4168934, 10422335, 20844670]

約数ペア:

[(1, 20844670), (2, 10422335), (5, 4168934), (7, 2977810), (10, 2084467), (11, 1894970), (14, 1488905), (22, 947485), (23, 906290), (35, 595562), (46, 453145), (55, 378994), (70, 297781), (77, 270710), (107, 194810), (110, 189497), (115, 181258), (121, 172270), (154, 135355), (161, 129470), (214, 97405), (230, 90629), (242, 86135), (253, 82390), (322, 64735), (385, 54142), (506, 41195), (535, 38962), (605, 34454), (749, 27830), (770, 27071), (805, 25894), (847, 24610), (1070, 19481), (1177, 17710), (1210, 17227), (1265, 16478), (1498, 13915), (1610, 12947), (1694, 12305), (1771, 11770), (2354, 8855), (2461, 8470), (2530, 8239), (2783, 7490), (3542, 5885), (3745, 5566), (4235, 4922)]