20979002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 16345798

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 209, 341, 418, 589, 682, 1178, 1619, 3238, 6479, 12958, 17809, 30761, 35618, 50189, 61522, 100378, 338371, 552079, 676742, 953591, 1104158, 1907182, 10489501, 20979002]

約数ペア:

[(1, 20979002), (2, 10489501), (11, 1907182), (19, 1104158), (22, 953591), (31, 676742), (38, 552079), (62, 338371), (209, 100378), (341, 61522), (418, 50189), (589, 35618), (682, 30761), (1178, 17809), (1619, 12958), (3238, 6479)]