20976396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 59136000

約数和(自身を除く): 38159604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 79, 84, 87, 109, 116, 158, 174, 203, 218, 237, 316, 327, 348, 406, 436, 474, 553, 609, 654, 763, 812, 948, 1106, 1218, 1308, 1526, 1659, 2212, 2289, 2291, 2436, 3052, 3161, 3318, 4578, 4582, 6322, 6636, 6873, 8611, 9156, 9164, 9483, 12644, 13746, 16037, 17222, 18966, 22127, 25833, 27492, 32074, 34444, 37932, 44254, 48111, 51666, 60277, 64148, 66381, 88508, 96222, 103332, 120554, 132762, 180831, 192444, 241108, 249719, 265524, 361662, 499438, 723324, 749157, 998876, 1498314, 1748033, 2996628, 3496066, 5244099, 6992132, 10488198, 20976396]

約数ペア:

[(1, 20976396), (2, 10488198), (3, 6992132), (4, 5244099), (6, 3496066), (7, 2996628), (12, 1748033), (14, 1498314), (21, 998876), (28, 749157), (29, 723324), (42, 499438), (58, 361662), (79, 265524), (84, 249719), (87, 241108), (109, 192444), (116, 180831), (158, 132762), (174, 120554), (203, 103332), (218, 96222), (237, 88508), (316, 66381), (327, 64148), (348, 60277), (406, 51666), (436, 48111), (474, 44254), (553, 37932), (609, 34444), (654, 32074), (763, 27492), (812, 25833), (948, 22127), (1106, 18966), (1218, 17222), (1308, 16037), (1526, 13746), (1659, 12644), (2212, 9483), (2289, 9164), (2291, 9156), (2436, 8611), (3052, 6873), (3161, 6636), (3318, 6322), (4578, 4582)]