20126468222

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{179903}}^1$

素因数の和:180104

約数の個数: 32

約数和(自身を含む): 35336024064

約数和(自身を除く): 15209555842

約数列:

[1, 2, 7, 14, 61, 122, 131, 262, 427, 854, 917, 1834, 7991, 15982, 55937, 111874, 179903, 359806, 1259321, 2518642, 10974083, 21948166, 23567293, 47134586, 76818581, 153637162, 164971051, 329942102, 1437604873, 2875209746, 10063234111, 20126468222]

約数ペア:

[(1, 20126468222), (2, 10063234111), (7, 2875209746), (14, 1437604873), (61, 329942102), (122, 164971051), (131, 153637162), (262, 76818581), (427, 47134586), (854, 23567293), (917, 21948166), (1834, 10974083), (7991, 2518642), (15982, 1259321), (55937, 359806), (111874, 179903)]