20982828

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1409}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 52587360

約数和(自身を除く): 31604532

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 73, 102, 146, 204, 219, 292, 438, 876, 1241, 1409, 2482, 2818, 3723, 4227, 4964, 5636, 7446, 8454, 14892, 16908, 23953, 47906, 71859, 95812, 102857, 143718, 205714, 287436, 308571, 411428, 617142, 1234284, 1748569, 3497138, 5245707, 6994276, 10491414, 20982828]

約数ペア:

[(1, 20982828), (2, 10491414), (3, 6994276), (4, 5245707), (6, 3497138), (12, 1748569), (17, 1234284), (34, 617142), (51, 411428), (68, 308571), (73, 287436), (102, 205714), (146, 143718), (204, 102857), (219, 95812), (292, 71859), (438, 47906), (876, 23953), (1241, 16908), (1409, 14892), (2482, 8454), (2818, 7446), (3723, 5636), (4227, 4964)]