20269956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 57335040

約数和(自身を除く): 37065084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 53, 58, 84, 87, 106, 116, 157, 159, 174, 203, 212, 314, 318, 348, 371, 406, 471, 609, 628, 636, 742, 812, 942, 1099, 1113, 1218, 1484, 1537, 1884, 2198, 2226, 2436, 3074, 3297, 4396, 4452, 4553, 4611, 6148, 6594, 8321, 9106, 9222, 10759, 13188, 13659, 16642, 18212, 18444, 21518, 24963, 27318, 31871, 32277, 33284, 43036, 49926, 54636, 58247, 63742, 64554, 95613, 99852, 116494, 127484, 129108, 174741, 191226, 232988, 241309, 349482, 382452, 482618, 698964, 723927, 965236, 1447854, 1689163, 2895708, 3378326, 5067489, 6756652, 10134978, 20269956]

約数ペア:

[(1, 20269956), (2, 10134978), (3, 6756652), (4, 5067489), (6, 3378326), (7, 2895708), (12, 1689163), (14, 1447854), (21, 965236), (28, 723927), (29, 698964), (42, 482618), (53, 382452), (58, 349482), (84, 241309), (87, 232988), (106, 191226), (116, 174741), (157, 129108), (159, 127484), (174, 116494), (203, 99852), (212, 95613), (314, 64554), (318, 63742), (348, 58247), (371, 54636), (406, 49926), (471, 43036), (609, 33284), (628, 32277), (636, 31871), (742, 27318), (812, 24963), (942, 21518), (1099, 18444), (1113, 18212), (1218, 16642), (1484, 13659), (1537, 13188), (1884, 10759), (2198, 9222), (2226, 9106), (2436, 8321), (3074, 6594), (3297, 6148), (4396, 4611), (4452, 4553)]