22720551

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 37859328

約数和(自身を除く): 15138777

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 2053, 3689, 6159, 11067, 14371, 34901, 43113, 63643, 104703, 190929, 244307, 445501, 732921, 1081931, 1336503, 3245793, 7573517, 22720551]

約数ペア:

[(1, 22720551), (3, 7573517), (7, 3245793), (17, 1336503), (21, 1081931), (31, 732921), (51, 445501), (93, 244307), (119, 190929), (217, 104703), (357, 63643), (527, 43113), (651, 34901), (1581, 14371), (2053, 11067), (3689, 6159)]