20512506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28729}}^1$

素因数の和:28758

約数の個数: 32

約数和(自身を含む): 49645440

約数和(自身を除く): 29132934

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 28729, 57458, 86187, 172374, 201103, 402206, 488393, 603309, 976786, 1206618, 1465179, 2930358, 3418751, 6837502, 10256253, 20512506]

約数ペア:

[(1, 20512506), (2, 10256253), (3, 6837502), (6, 3418751), (7, 2930358), (14, 1465179), (17, 1206618), (21, 976786), (34, 603309), (42, 488393), (51, 402206), (102, 201103), (119, 172374), (238, 86187), (357, 57458), (714, 28729)]