20180631779

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{670297}}^1$

素因数の和:670355

約数の個数: 32

約数和(自身を含む): 27798598656

約数和(自身を除く): 7617966877

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 1309, 1771, 2737, 4301, 30107, 670297, 4692079, 7373267, 11395049, 15416831, 51612869, 79765343, 107917817, 125345539, 169585141, 262086127, 877418773, 1187095987, 1834602889, 2882947397, 20180631779]

約数ペア:

[(1, 20180631779), (7, 2882947397), (11, 1834602889), (17, 1187095987), (23, 877418773), (77, 262086127), (119, 169585141), (161, 125345539), (187, 107917817), (253, 79765343), (391, 51612869), (1309, 15416831), (1771, 11395049), (2737, 7373267), (4301, 4692079), (30107, 670297)]