20153028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8273}}^1$

素因数の和:8316

約数の個数: 48

約数和(自身を含む): 55601280

約数和(自身を除く): 35448252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8273, 16546, 24819, 33092, 49638, 57911, 99276, 115822, 173733, 231644, 239917, 347466, 479834, 694932, 719751, 959668, 1439502, 1679419, 2879004, 3358838, 5038257, 6717676, 10076514, 20153028]

約数ペア:

[(1, 20153028), (2, 10076514), (3, 6717676), (4, 5038257), (6, 3358838), (7, 2879004), (12, 1679419), (14, 1439502), (21, 959668), (28, 719751), (29, 694932), (42, 479834), (58, 347466), (84, 239917), (87, 231644), (116, 173733), (174, 115822), (203, 99276), (348, 57911), (406, 49638), (609, 33092), (812, 24819), (1218, 16546), (2436, 8273)]