20519510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10973}}^1$

素因数の和:11008

約数の個数: 32

約数和(自身を含む): 42666912

約数和(自身を除く): 22147402

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 10973, 21946, 54865, 109730, 120703, 186541, 241406, 373082, 603515, 932705, 1207030, 1865410, 2051951, 4103902, 10259755, 20519510]

約数ペア:

[(1, 20519510), (2, 10259755), (5, 4103902), (10, 2051951), (11, 1865410), (17, 1207030), (22, 932705), (34, 603515), (55, 373082), (85, 241406), (110, 186541), (170, 120703), (187, 109730), (374, 54865), (935, 21946), (1870, 10973)]