22839620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 49507248

約数和(自身を除く): 26667628

約数列:

[1, 2, 4, 5, 10, 20, 61, 97, 122, 193, 194, 244, 305, 386, 388, 485, 610, 772, 965, 970, 1220, 1930, 1940, 3860, 5917, 11773, 11834, 18721, 23546, 23668, 29585, 37442, 47092, 58865, 59170, 74884, 93605, 117730, 118340, 187210, 235460, 374420, 1141981, 2283962, 4567924, 5709905, 11419810, 22839620]

約数ペア:

[(1, 22839620), (2, 11419810), (4, 5709905), (5, 4567924), (10, 2283962), (20, 1141981), (61, 374420), (97, 235460), (122, 187210), (193, 118340), (194, 117730), (244, 93605), (305, 74884), (386, 59170), (388, 58865), (485, 47092), (610, 37442), (772, 29585), (965, 23668), (970, 23546), (1220, 18721), (1930, 11834), (1940, 11773), (3860, 5917)]