20188685524

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{925577}}^1$

素因数の和:925648

約数の個数: 48

約数和(自身を含む): 43539189120

約数和(自身を除く): 23350503596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1558, 3116, 5453, 10906, 21812, 925577, 1851154, 3702308, 6479039, 12958078, 17585963, 25916156, 35171926, 37948657, 70343852, 75897314, 123101741, 151794628, 246203482, 265640599, 492406964, 531281198, 721024483, 1062562396, 1442048966, 2884097932, 5047171381, 10094342762, 20188685524]

約数ペア:

[(1, 20188685524), (2, 10094342762), (4, 5047171381), (7, 2884097932), (14, 1442048966), (19, 1062562396), (28, 721024483), (38, 531281198), (41, 492406964), (76, 265640599), (82, 246203482), (133, 151794628), (164, 123101741), (266, 75897314), (287, 70343852), (532, 37948657), (574, 35171926), (779, 25916156), (1148, 17585963), (1558, 12958078), (3116, 6479039), (5453, 3702308), (10906, 1851154), (21812, 925577)]