20537316

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13267}}^1$

素因数の和:13320

約数の個数: 36

約数和(自身を含む): 53125072

約数和(自身を除く): 32587756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13267, 26534, 39801, 53068, 79602, 119403, 159204, 238806, 477612, 570481, 1140962, 1711443, 2281924, 3422886, 5134329, 6845772, 10268658, 20537316]

約数ペア:

[(1, 20537316), (2, 10268658), (3, 6845772), (4, 5134329), (6, 3422886), (9, 2281924), (12, 1711443), (18, 1140962), (36, 570481), (43, 477612), (86, 238806), (129, 159204), (172, 119403), (258, 79602), (387, 53068), (516, 39801), (774, 26534), (1548, 13267)]