20177839982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{79861}}^1$

素因数の和:80052

約数の個数: 32

約数和(自身を含む): 32679530400

約数和(自身を除く): 12501690418

約数列:

[1, 2, 19, 38, 61, 109, 122, 218, 1159, 2071, 2318, 4142, 6649, 13298, 79861, 126331, 159722, 252662, 1517359, 3034718, 4871521, 8704849, 9743042, 17409698, 92558899, 165392131, 185117798, 330784262, 530995789, 1061991578, 10088919991, 20177839982]

約数ペア:

[(1, 20177839982), (2, 10088919991), (19, 1061991578), (38, 530995789), (61, 330784262), (109, 185117798), (122, 165392131), (218, 92558899), (1159, 17409698), (2071, 9743042), (2318, 8704849), (4142, 4871521), (6649, 3034718), (13298, 1517359), (79861, 252662), (126331, 159722)]