20119055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 27675648

約数和(自身を除く): 7556593

約数列:

[1, 5, 11, 43, 47, 55, 181, 215, 235, 473, 517, 905, 1991, 2021, 2365, 2585, 7783, 8507, 9955, 10105, 22231, 38915, 42535, 85613, 93577, 111155, 365801, 428065, 467885, 1829005, 4023811, 20119055]

約数ペア:

[(1, 20119055), (5, 4023811), (11, 1829005), (43, 467885), (47, 428065), (55, 365801), (181, 111155), (215, 93577), (235, 85613), (473, 42535), (517, 38915), (905, 22231), (1991, 10105), (2021, 9955), (2365, 8507), (2585, 7783)]