20816142050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1423}}^1\times {\mathrm{26597}}^1$

素因数の和:28043

約数の個数: 48

約数和(自身を含む): 42269116032

約数和(自身を除く): 21452973982

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 1423, 2846, 7115, 14230, 15653, 26597, 31306, 35575, 53194, 71150, 78265, 132985, 156530, 265970, 292567, 391325, 585134, 664925, 782650, 1329850, 1462835, 2925670, 7314175, 14628350, 37847531, 75695062, 189237655, 378475310, 416322841, 832645682, 946188275, 1892376550, 2081614205, 4163228410, 10408071025, 20816142050]

約数ペア:

[(1, 20816142050), (2, 10408071025), (5, 4163228410), (10, 2081614205), (11, 1892376550), (22, 946188275), (25, 832645682), (50, 416322841), (55, 378475310), (110, 189237655), (275, 75695062), (550, 37847531), (1423, 14628350), (2846, 7314175), (7115, 2925670), (14230, 1462835), (15653, 1329850), (26597, 782650), (31306, 664925), (35575, 585134), (53194, 391325), (71150, 292567), (78265, 265970), (132985, 156530)]