20188651945

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{182711}}^1$

素因数の和:182782

約数の個数: 48

約数和(自身を含む): 31493702016

約数和(自身を除く): 11305050071

約数列:

[1, 5, 7, 11, 35, 41, 49, 55, 77, 205, 245, 287, 385, 451, 539, 1435, 2009, 2255, 2695, 3157, 10045, 15785, 22099, 110495, 182711, 913555, 1278977, 2009821, 6394885, 7491151, 8952839, 10049105, 14068747, 37455755, 44764195, 52438057, 70343735, 82402661, 98481229, 262190285, 367066399, 412013305, 492406145, 576818627, 1835331995, 2884093135, 4037730389, 20188651945]

約数ペア:

[(1, 20188651945), (5, 4037730389), (7, 2884093135), (11, 1835331995), (35, 576818627), (41, 492406145), (49, 412013305), (55, 367066399), (77, 262190285), (205, 98481229), (245, 82402661), (287, 70343735), (385, 52438057), (451, 44764195), (539, 37455755), (1435, 14068747), (2009, 10049105), (2255, 8952839), (2695, 7491151), (3157, 6394885), (10045, 2009821), (15785, 1278977), (22099, 913555), (110495, 182711)]