20774612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 20593708

約数列:

[1, 2, 4, 17, 23, 34, 37, 46, 68, 74, 92, 148, 359, 391, 629, 718, 782, 851, 1258, 1436, 1564, 1702, 2516, 3404, 6103, 8257, 12206, 13283, 14467, 16514, 24412, 26566, 28934, 33028, 53132, 57868, 140369, 225811, 280738, 305509, 451622, 561476, 611018, 903244, 1222036, 5193653, 10387306, 20774612]

約数ペア:

[(1, 20774612), (2, 10387306), (4, 5193653), (17, 1222036), (23, 903244), (34, 611018), (37, 561476), (46, 451622), (68, 305509), (74, 280738), (92, 225811), (148, 140369), (359, 57868), (391, 53132), (629, 33028), (718, 28934), (782, 26566), (851, 24412), (1258, 16514), (1436, 14467), (1564, 13283), (1702, 12206), (2516, 8257), (3404, 6103)]