20196181815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{6163}}^1$

素因数の和:6440

約数の個数: 64

約数和(自身を含む): 34893960192

約数和(自身を除く): 14697778377

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 181, 213, 255, 355, 543, 905, 1065, 1207, 2715, 3077, 3621, 6035, 6163, 9231, 12851, 15385, 18105, 18489, 30815, 38553, 46155, 64255, 92445, 104771, 192765, 218467, 314313, 437573, 523855, 655401, 1092335, 1115503, 1312719, 1571565, 2187865, 3277005, 3346509, 5577515, 6563595, 7438741, 16732545, 18963551, 22316223, 37193705, 56890653, 79200713, 94817755, 111581115, 237602139, 284453265, 396003565, 1188010695, 1346412121, 4039236363, 6732060605, 20196181815]

約数ペア:

[(1, 20196181815), (3, 6732060605), (5, 4039236363), (15, 1346412121), (17, 1188010695), (51, 396003565), (71, 284453265), (85, 237602139), (181, 111581115), (213, 94817755), (255, 79200713), (355, 56890653), (543, 37193705), (905, 22316223), (1065, 18963551), (1207, 16732545), (2715, 7438741), (3077, 6563595), (3621, 5577515), (6035, 3346509), (6163, 3277005), (9231, 2187865), (12851, 1571565), (15385, 1312719), (18105, 1115503), (18489, 1092335), (30815, 655401), (38553, 523855), (46155, 437573), (64255, 314313), (92445, 218467), (104771, 192765)]