20915694

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2659}}^1$

素因数の和:2709

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 28879506

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2622, 2659, 3933, 5318, 7866, 7977, 15954, 23931, 47862, 50521, 61157, 101042, 122314, 151563, 183471, 303126, 366942, 454689, 550413, 909378, 1100826, 1161983, 2323966, 3485949, 6971898, 10457847, 20915694]

約数ペア:

[(1, 20915694), (2, 10457847), (3, 6971898), (6, 3485949), (9, 2323966), (18, 1161983), (19, 1100826), (23, 909378), (38, 550413), (46, 454689), (57, 366942), (69, 303126), (114, 183471), (138, 151563), (171, 122314), (207, 101042), (342, 61157), (414, 50521), (437, 47862), (874, 23931), (1311, 15954), (2622, 7977), (2659, 7866), (3933, 5318)]