20494890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5839}}^1$

素因数の和:5868

約数の個数: 64

約数和(自身を含む): 58867200

約数和(自身を除く): 38372310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 5839, 11678, 17517, 29195, 35034, 52551, 58390, 75907, 87585, 105102, 151814, 157653, 175170, 227721, 262755, 315306, 379535, 455442, 525510, 683163, 759070, 788265, 1138605, 1366326, 1576530, 2049489, 2277210, 3415815, 4098978, 6831630, 10247445, 20494890]

約数ペア:

[(1, 20494890), (2, 10247445), (3, 6831630), (5, 4098978), (6, 3415815), (9, 2277210), (10, 2049489), (13, 1576530), (15, 1366326), (18, 1138605), (26, 788265), (27, 759070), (30, 683163), (39, 525510), (45, 455442), (54, 379535), (65, 315306), (78, 262755), (90, 227721), (117, 175170), (130, 157653), (135, 151814), (195, 105102), (234, 87585), (270, 75907), (351, 58390), (390, 52551), (585, 35034), (702, 29195), (1170, 17517), (1755, 11678), (3510, 5839)]