20208995

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 24855552

約数和(自身を除く): 4646557

約数列:

[1, 5, 61, 173, 305, 383, 865, 1915, 10553, 23363, 52765, 66259, 116815, 331295, 4041799, 20208995]

約数ペア:

[(1, 20208995), (5, 4041799), (61, 331295), (173, 116815), (305, 66259), (383, 52765), (865, 23363), (1915, 10553)]