20157188324

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1044847}}^1$

素因数の和:1044924

約数の個数: 48

約数和(自身を含む): 44234684928

約数和(自身を除く): 24077496604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1484, 2756, 4823, 9646, 19292, 1044847, 2089694, 4179388, 7313929, 13583011, 14627858, 27166022, 29255716, 54332044, 55376891, 95081077, 110753782, 190162154, 221507564, 380324308, 387638237, 719899583, 775276474, 1439799166, 1550552948, 2879598332, 5039297081, 10078594162, 20157188324]

約数ペア:

[(1, 20157188324), (2, 10078594162), (4, 5039297081), (7, 2879598332), (13, 1550552948), (14, 1439799166), (26, 775276474), (28, 719899583), (52, 387638237), (53, 380324308), (91, 221507564), (106, 190162154), (182, 110753782), (212, 95081077), (364, 55376891), (371, 54332044), (689, 29255716), (742, 27166022), (1378, 14627858), (1484, 13583011), (2756, 7313929), (4823, 4179388), (9646, 2089694), (19292, 1044847)]