20348726140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1\times {\mathrm{30881}}^1$

素因数の和:31638

約数の個数: 48

約数和(自身を含む): 43705194624

約数和(自身を除く): 23356468484

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 701, 940, 1402, 2804, 3505, 7010, 14020, 30881, 32947, 61762, 65894, 123524, 131788, 154405, 164735, 308810, 329470, 617620, 658940, 1451407, 2902814, 5805628, 7257035, 14514070, 21647581, 29028140, 43295162, 86590324, 108237905, 216475810, 432951620, 1017436307, 2034872614, 4069745228, 5087181535, 10174363070, 20348726140]

約数ペア:

[(1, 20348726140), (2, 10174363070), (4, 5087181535), (5, 4069745228), (10, 2034872614), (20, 1017436307), (47, 432951620), (94, 216475810), (188, 108237905), (235, 86590324), (470, 43295162), (701, 29028140), (940, 21647581), (1402, 14514070), (2804, 7257035), (3505, 5805628), (7010, 2902814), (14020, 1451407), (30881, 658940), (32947, 617620), (61762, 329470), (65894, 308810), (123524, 164735), (131788, 154405)]