20379372

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^3\times {\mathrm{773}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 51579360

約数和(自身を除く): 31199988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 773, 1014, 1546, 2028, 2197, 2319, 3092, 4394, 4638, 6591, 8788, 9276, 10049, 13182, 20098, 26364, 30147, 40196, 60294, 120588, 130637, 261274, 391911, 522548, 783822, 1567644, 1698281, 3396562, 5094843, 6793124, 10189686, 20379372]

約数ペア:

[(1, 20379372), (2, 10189686), (3, 6793124), (4, 5094843), (6, 3396562), (12, 1698281), (13, 1567644), (26, 783822), (39, 522548), (52, 391911), (78, 261274), (156, 130637), (169, 120588), (338, 60294), (507, 40196), (676, 30147), (773, 26364), (1014, 20098), (1546, 13182), (2028, 10049), (2197, 9276), (2319, 8788), (3092, 6591), (4394, 4638)]