20305301830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1\times {\mathrm{4027}}^1$

素因数の和:6061

約数の個数: 64

約数和(自身を含む): 41637017088

約数和(自身を除く): 21331715258

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 1993, 2530, 3986, 4027, 8054, 9965, 19930, 20135, 21923, 40270, 43846, 44297, 45839, 88594, 91678, 92621, 109615, 185242, 219230, 221485, 229195, 442970, 458390, 463105, 504229, 926210, 1008458, 1018831, 2037662, 2521145, 5042290, 5094155, 8025811, 10188310, 16051622, 40129055, 80258110, 88283921, 176567842, 184593653, 369187306, 441419605, 882839210, 922968265, 1845936530, 2030530183, 4061060366, 10152650915, 20305301830]

約数ペア:

[(1, 20305301830), (2, 10152650915), (5, 4061060366), (10, 2030530183), (11, 1845936530), (22, 922968265), (23, 882839210), (46, 441419605), (55, 369187306), (110, 184593653), (115, 176567842), (230, 88283921), (253, 80258110), (506, 40129055), (1265, 16051622), (1993, 10188310), (2530, 8025811), (3986, 5094155), (4027, 5042290), (8054, 2521145), (9965, 2037662), (19930, 1018831), (20135, 1008458), (21923, 926210), (40270, 504229), (43846, 463105), (44297, 458390), (45839, 442970), (88594, 229195), (91678, 221485), (92621, 219230), (109615, 185242)]