12020445

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 23250240

約数和(自身を除く): 11229795

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 827, 855, 969, 1615, 2481, 2907, 4135, 4845, 7443, 12405, 14059, 14535, 15713, 37215, 42177, 47139, 70295, 78565, 126531, 141417, 210885, 235695, 267121, 632655, 707085, 801363, 1335605, 2404089, 4006815, 12020445]

約数ペア:

[(1, 12020445), (3, 4006815), (5, 2404089), (9, 1335605), (15, 801363), (17, 707085), (19, 632655), (45, 267121), (51, 235695), (57, 210885), (85, 141417), (95, 126531), (153, 78565), (171, 70295), (255, 47139), (285, 42177), (323, 37215), (765, 15713), (827, 14535), (855, 14059), (969, 12405), (1615, 7443), (2481, 4845), (2907, 4135)]