20522468

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:512

約数の個数: 36

約数和(自身を含む): 39171972

約数和(自身を除く): 18649504

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 289, 433, 578, 697, 866, 1156, 1394, 1732, 2788, 7361, 11849, 14722, 17753, 23698, 29444, 35506, 47396, 71012, 125137, 250274, 301801, 500548, 603602, 1207204, 5130617, 10261234, 20522468]

約数ペア:

[(1, 20522468), (2, 10261234), (4, 5130617), (17, 1207204), (34, 603602), (41, 500548), (68, 301801), (82, 250274), (164, 125137), (289, 71012), (433, 47396), (578, 35506), (697, 29444), (866, 23698), (1156, 17753), (1394, 14722), (1732, 11849), (2788, 7361)]