20552566

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 34099200

約数和(自身を除く): 13546634

約数列:

[1, 2, 19, 31, 38, 62, 73, 146, 239, 478, 589, 1178, 1387, 2263, 2774, 4526, 4541, 7409, 9082, 14818, 17447, 34894, 42997, 85994, 140771, 281542, 331493, 540857, 662986, 1081714, 10276283, 20552566]

約数ペア:

[(1, 20552566), (2, 10276283), (19, 1081714), (31, 662986), (38, 540857), (62, 331493), (73, 281542), (146, 140771), (239, 85994), (478, 42997), (589, 34894), (1178, 17447), (1387, 14818), (2263, 9082), (2774, 7409), (4526, 4541)]