20194178380

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1579}}^1\times {\mathrm{4073}}^1$

素因数の和:5818

約数の個数: 48

約数和(自身を含む): 42715401120

約数和(自身を除く): 22521222740

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 1579, 3140, 3158, 4073, 6316, 7895, 8146, 15790, 16292, 20365, 31580, 40730, 81460, 247903, 495806, 639461, 991612, 1239515, 1278922, 2479030, 2557844, 3197305, 4958060, 6394610, 6431267, 12789220, 12862534, 25725068, 32156335, 64312670, 128625340, 1009708919, 2019417838, 4038835676, 5048544595, 10097089190, 20194178380]

約数ペア:

[(1, 20194178380), (2, 10097089190), (4, 5048544595), (5, 4038835676), (10, 2019417838), (20, 1009708919), (157, 128625340), (314, 64312670), (628, 32156335), (785, 25725068), (1570, 12862534), (1579, 12789220), (3140, 6431267), (3158, 6394610), (4073, 4958060), (6316, 3197305), (7895, 2557844), (8146, 2479030), (15790, 1278922), (16292, 1239515), (20365, 991612), (31580, 639461), (40730, 495806), (81460, 247903)]