20347767356

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{889481}}^1$

素因数の和:889554

約数の個数: 48

約数和(自身を含む): 43833672960

約数和(自身を除く): 23485905604

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 817, 1204, 1634, 3268, 5719, 11438, 22876, 889481, 1778962, 3557924, 6226367, 12452734, 16900139, 24905468, 33800278, 38247683, 67600556, 76495366, 118300973, 152990732, 236601946, 267733781, 473203892, 535467562, 726705977, 1070935124, 1453411954, 2906823908, 5086941839, 10173883678, 20347767356]

約数ペア:

[(1, 20347767356), (2, 10173883678), (4, 5086941839), (7, 2906823908), (14, 1453411954), (19, 1070935124), (28, 726705977), (38, 535467562), (43, 473203892), (76, 267733781), (86, 236601946), (133, 152990732), (172, 118300973), (266, 76495366), (301, 67600556), (532, 38247683), (602, 33800278), (817, 24905468), (1204, 16900139), (1634, 12452734), (3268, 6226367), (5719, 3557924), (11438, 1778962), (22876, 889481)]