20119974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1327}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 48572928

約数和(自身を除く): 28452954

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 361, 399, 722, 798, 1083, 1327, 2166, 2527, 2654, 3981, 5054, 7581, 7962, 9289, 15162, 18578, 25213, 27867, 50426, 55734, 75639, 151278, 176491, 352982, 479047, 529473, 958094, 1058946, 1437141, 2874282, 3353329, 6706658, 10059987, 20119974]

約数ペア:

[(1, 20119974), (2, 10059987), (3, 6706658), (6, 3353329), (7, 2874282), (14, 1437141), (19, 1058946), (21, 958094), (38, 529473), (42, 479047), (57, 352982), (114, 176491), (133, 151278), (266, 75639), (361, 55734), (399, 50426), (722, 27867), (798, 25213), (1083, 18578), (1327, 15162), (2166, 9289), (2527, 7962), (2654, 7581), (3981, 5054)]