20221281808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{18493}}^1$

素因数の和:19272

約数の個数: 80

約数和(自身を含む): 48286798336

約数和(自身を除く): 28065516528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 751, 1456, 1502, 3004, 5257, 6008, 9763, 10514, 12016, 18493, 19526, 21028, 36986, 39052, 42056, 68341, 73972, 78104, 84112, 129451, 136682, 147944, 156208, 240409, 258902, 273364, 295888, 480818, 517804, 546728, 961636, 1035608, 1093456, 1682863, 1923272, 2071216, 3365726, 3846544, 6731452, 13462904, 13888243, 26925808, 27776486, 55552972, 97217701, 111105944, 180547159, 194435402, 222211888, 361094318, 388870804, 722188636, 777741608, 1263830113, 1444377272, 1555483216, 2527660226, 2888754544, 5055320452, 10110640904, 20221281808]

約数ペア:

[(1, 20221281808), (2, 10110640904), (4, 5055320452), (7, 2888754544), (8, 2527660226), (13, 1555483216), (14, 1444377272), (16, 1263830113), (26, 777741608), (28, 722188636), (52, 388870804), (56, 361094318), (91, 222211888), (104, 194435402), (112, 180547159), (182, 111105944), (208, 97217701), (364, 55552972), (728, 27776486), (751, 26925808), (1456, 13888243), (1502, 13462904), (3004, 6731452), (5257, 3846544), (6008, 3365726), (9763, 2071216), (10514, 1923272), (12016, 1682863), (18493, 1093456), (19526, 1035608), (21028, 961636), (36986, 546728), (39052, 517804), (42056, 480818), (68341, 295888), (73972, 273364), (78104, 258902), (84112, 240409), (129451, 156208), (136682, 147944)]