20199442774

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1063}}^1\times {\mathrm{2731}}^1$

素因数の和:3881

約数の個数: 48

約数和(自身を含む): 35789112576

約数和(自身を除く): 15589669802

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 1063, 2126, 2731, 3479, 5462, 6958, 7441, 14882, 19117, 38234, 52087, 75473, 104174, 133819, 150946, 193901, 267638, 387802, 528311, 1056622, 1357307, 2714614, 2903053, 3698177, 5806106, 7396354, 9501149, 19002298, 20321371, 40642742, 142249597, 206116763, 284499194, 412233526, 1442817341, 2885634682, 10099721387, 20199442774]

約数ペア:

[(1, 20199442774), (2, 10099721387), (7, 2885634682), (14, 1442817341), (49, 412233526), (71, 284499194), (98, 206116763), (142, 142249597), (497, 40642742), (994, 20321371), (1063, 19002298), (2126, 9501149), (2731, 7396354), (3479, 5806106), (5462, 3698177), (6958, 2903053), (7441, 2714614), (14882, 1357307), (19117, 1056622), (38234, 528311), (52087, 387802), (75473, 267638), (104174, 193901), (133819, 150946)]