20221395

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 13308717

約数列:

[1, 3, 5, 15, 43, 107, 129, 215, 293, 321, 535, 645, 879, 1465, 1605, 4395, 4601, 12599, 13803, 23005, 31351, 37797, 62995, 69015, 94053, 156755, 188985, 470265, 1348093, 4044279, 6740465, 20221395]

約数ペア:

[(1, 20221395), (3, 6740465), (5, 4044279), (15, 1348093), (43, 470265), (107, 188985), (129, 156755), (215, 94053), (293, 69015), (321, 62995), (535, 37797), (645, 31351), (879, 23005), (1465, 13803), (1605, 12599), (4395, 4601)]