20842008

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{7177}}^1$

素因数の和:7208

約数の個数: 48

約数和(自身を含む): 57280440

約数和(自身を除く): 36438432

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 7177, 14354, 21531, 28708, 43062, 57416, 78947, 86124, 157894, 172248, 236841, 315788, 473682, 631576, 868417, 947364, 1736834, 1894728, 2605251, 3473668, 5210502, 6947336, 10421004, 20842008]

約数ペア:

[(1, 20842008), (2, 10421004), (3, 6947336), (4, 5210502), (6, 3473668), (8, 2605251), (11, 1894728), (12, 1736834), (22, 947364), (24, 868417), (33, 631576), (44, 473682), (66, 315788), (88, 236841), (121, 172248), (132, 157894), (242, 86124), (264, 78947), (363, 57416), (484, 43062), (726, 28708), (968, 21531), (1452, 14354), (2904, 7177)]