20572618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 36220608

約数和(自身を除く): 15647990

約数列:

[1, 2, 11, 17, 22, 34, 67, 134, 187, 374, 737, 821, 1139, 1474, 1642, 2278, 9031, 12529, 13957, 18062, 25058, 27914, 55007, 110014, 153527, 307054, 605077, 935119, 1210154, 1870238, 10286309, 20572618]

約数ペア:

[(1, 20572618), (2, 10286309), (11, 1870238), (17, 1210154), (22, 935119), (34, 605077), (67, 307054), (134, 153527), (187, 110014), (374, 55007), (737, 27914), (821, 25058), (1139, 18062), (1474, 13957), (1642, 12529), (2278, 9031)]