20507226

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 42040320

約数和(自身を除く): 21533094

約数列:

[1, 2, 3, 6, 67, 134, 139, 201, 278, 367, 402, 417, 734, 834, 1101, 2202, 9313, 18626, 24589, 27939, 49178, 51013, 55878, 73767, 102026, 147534, 153039, 306078, 3417871, 6835742, 10253613, 20507226]

約数ペア:

[(1, 20507226), (2, 10253613), (3, 6835742), (6, 3417871), (67, 306078), (134, 153039), (139, 147534), (201, 102026), (278, 73767), (367, 55878), (402, 51013), (417, 49178), (734, 27939), (834, 24589), (1101, 18626), (2202, 9313)]