20814924

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 35068596

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 43, 52, 58, 78, 86, 87, 107, 116, 129, 156, 172, 174, 214, 258, 321, 348, 377, 428, 516, 559, 642, 754, 1118, 1131, 1247, 1284, 1391, 1508, 1677, 2236, 2262, 2494, 2782, 3103, 3354, 3741, 4173, 4524, 4601, 4988, 5564, 6206, 6708, 7482, 8346, 9202, 9309, 12412, 13803, 14964, 16211, 16692, 18404, 18618, 27606, 32422, 37236, 40339, 48633, 55212, 59813, 64844, 80678, 97266, 119626, 121017, 133429, 161356, 179439, 194532, 239252, 242034, 266858, 358878, 400287, 484068, 533716, 717756, 800574, 1601148, 1734577, 3469154, 5203731, 6938308, 10407462, 20814924]

約数ペア:

[(1, 20814924), (2, 10407462), (3, 6938308), (4, 5203731), (6, 3469154), (12, 1734577), (13, 1601148), (26, 800574), (29, 717756), (39, 533716), (43, 484068), (52, 400287), (58, 358878), (78, 266858), (86, 242034), (87, 239252), (107, 194532), (116, 179439), (129, 161356), (156, 133429), (172, 121017), (174, 119626), (214, 97266), (258, 80678), (321, 64844), (348, 59813), (377, 55212), (428, 48633), (516, 40339), (559, 37236), (642, 32422), (754, 27606), (1118, 18618), (1131, 18404), (1247, 16692), (1284, 16211), (1391, 14964), (1508, 13803), (1677, 12412), (2236, 9309), (2262, 9202), (2494, 8346), (2782, 7482), (3103, 6708), (3354, 6206), (3741, 5564), (4173, 4988), (4524, 4601)]