20370378

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 47770560

約数和(自身を除く): 27400182

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 193, 294, 359, 386, 579, 718, 1077, 1158, 1351, 2154, 2513, 2702, 4053, 5026, 7539, 8106, 9457, 15078, 17591, 18914, 28371, 35182, 52773, 56742, 69287, 105546, 138574, 207861, 415722, 485009, 970018, 1455027, 2910054, 3395063, 6790126, 10185189, 20370378]

約数ペア:

[(1, 20370378), (2, 10185189), (3, 6790126), (6, 3395063), (7, 2910054), (14, 1455027), (21, 970018), (42, 485009), (49, 415722), (98, 207861), (147, 138574), (193, 105546), (294, 69287), (359, 56742), (386, 52773), (579, 35182), (718, 28371), (1077, 18914), (1158, 17591), (1351, 15078), (2154, 9457), (2513, 8106), (2702, 7539), (4053, 5026)]