20887992

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15269}}^1$

素因数の和:15300

約数の個数: 48

約数和(自身を含む): 59553000

約数和(自身を除く): 38665008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15269, 30538, 45807, 61076, 91614, 122152, 137421, 183228, 274842, 290111, 366456, 549684, 580222, 870333, 1099368, 1160444, 1740666, 2320888, 2610999, 3481332, 5221998, 6962664, 10443996, 20887992]

約数ペア:

[(1, 20887992), (2, 10443996), (3, 6962664), (4, 5221998), (6, 3481332), (8, 2610999), (9, 2320888), (12, 1740666), (18, 1160444), (19, 1099368), (24, 870333), (36, 580222), (38, 549684), (57, 366456), (72, 290111), (76, 274842), (114, 183228), (152, 137421), (171, 122152), (228, 91614), (342, 61076), (456, 45807), (684, 30538), (1368, 15269)]