20785870078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{198259}}^1$

素因数の和:198400

約数の個数: 32

約数和(自身を含む): 34259328000

約数和(自身を除く): 13473457922

約数列:

[1, 2, 19, 31, 38, 62, 89, 178, 589, 1178, 1691, 2759, 3382, 5518, 52421, 104842, 198259, 396518, 3766921, 6146029, 7533842, 12292058, 17645051, 35290102, 116774551, 233549102, 335255969, 546996581, 670511938, 1093993162, 10392935039, 20785870078]

約数ペア:

[(1, 20785870078), (2, 10392935039), (19, 1093993162), (31, 670511938), (38, 546996581), (62, 335255969), (89, 233549102), (178, 116774551), (589, 35290102), (1178, 17645051), (1691, 12292058), (2759, 7533842), (3382, 6146029), (5518, 3766921), (52421, 396518), (104842, 198259)]