20725602

素因数分解:

$2^1\times 3^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21610398

約数列:

[1, 2, 3, 6, 97, 149, 194, 239, 291, 298, 447, 478, 582, 717, 894, 1434, 14453, 23183, 28906, 35611, 43359, 46366, 69549, 71222, 86718, 106833, 139098, 213666, 3454267, 6908534, 10362801, 20725602]

約数ペア:

[(1, 20725602), (2, 10362801), (3, 6908534), (6, 3454267), (97, 213666), (149, 139098), (194, 106833), (239, 86718), (291, 71222), (298, 69549), (447, 46366), (478, 43359), (582, 35611), (717, 28906), (894, 23183), (1434, 14453)]