20178334220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1951483}}^1$

素因数の和:1951550

約数の個数: 48

約数和(自身を含む): 47210300928

約数和(自身を除く): 27031966708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 1951483, 3902966, 7805932, 9757415, 19514830, 21466313, 39029660, 42932626, 85865252, 91719701, 107331565, 183439402, 214663130, 366878804, 429326260, 458598505, 917197010, 1008916711, 1834394020, 2017833422, 4035666844, 5044583555, 10089167110, 20178334220]

約数ペア:

[(1, 20178334220), (2, 10089167110), (4, 5044583555), (5, 4035666844), (10, 2017833422), (11, 1834394020), (20, 1008916711), (22, 917197010), (44, 458598505), (47, 429326260), (55, 366878804), (94, 214663130), (110, 183439402), (188, 107331565), (220, 91719701), (235, 85865252), (470, 42932626), (517, 39029660), (940, 21466313), (1034, 19514830), (2068, 9757415), (2585, 7805932), (5170, 3902966), (10340, 1951483)]