20219068045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{1249}}^1$

素因数の和:1546

約数の個数: 64

約数和(自身を含む): 28200960000

約数和(自身を除く): 7981891955

約数列:

[1, 5, 11, 23, 55, 67, 115, 191, 253, 335, 737, 955, 1249, 1265, 1541, 2101, 3685, 4393, 6245, 7705, 10505, 12797, 13739, 16951, 21965, 28727, 48323, 63985, 68695, 83683, 84755, 140767, 143635, 238559, 241615, 294331, 315997, 418415, 703835, 920513, 1192795, 1471655, 1579985, 1924709, 2624149, 3237641, 4602565, 5486857, 9623545, 13120745, 15983453, 16188205, 21171799, 27434285, 60355427, 79917265, 105858995, 175817983, 301777135, 367619419, 879089915, 1838097095, 4043813609, 20219068045]

約数ペア:

[(1, 20219068045), (5, 4043813609), (11, 1838097095), (23, 879089915), (55, 367619419), (67, 301777135), (115, 175817983), (191, 105858995), (253, 79917265), (335, 60355427), (737, 27434285), (955, 21171799), (1249, 16188205), (1265, 15983453), (1541, 13120745), (2101, 9623545), (3685, 5486857), (4393, 4602565), (6245, 3237641), (7705, 2624149), (10505, 1924709), (12797, 1579985), (13739, 1471655), (16951, 1192795), (21965, 920513), (28727, 703835), (48323, 418415), (63985, 315997), (68695, 294331), (83683, 241615), (84755, 238559), (140767, 143635)]