20837778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{577}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 45056256

約数和(自身を除く): 24218478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 463, 577, 926, 1154, 1389, 1731, 2778, 3462, 6019, 7501, 12038, 15002, 18057, 22503, 36114, 45006, 267151, 534302, 801453, 1602906, 3472963, 6945926, 10418889, 20837778]

約数ペア:

[(1, 20837778), (2, 10418889), (3, 6945926), (6, 3472963), (13, 1602906), (26, 801453), (39, 534302), (78, 267151), (463, 45006), (577, 36114), (926, 22503), (1154, 18057), (1389, 15002), (1731, 12038), (2778, 7501), (3462, 6019)]