20199973948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1525217}}^1$

素因数の和:1525282

約数の個数: 48

約数和(自身を含む): 45097645824

約数和(自身を除く): 24897671876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1892, 3311, 6622, 13244, 1525217, 3050434, 6100868, 10676519, 16777387, 21353038, 33554774, 42706076, 65584331, 67109548, 117441709, 131168662, 234883418, 262337324, 459090317, 469766836, 721427641, 918180634, 1442855282, 1836361268, 2885710564, 5049993487, 10099986974, 20199973948]

約数ペア:

[(1, 20199973948), (2, 10099986974), (4, 5049993487), (7, 2885710564), (11, 1836361268), (14, 1442855282), (22, 918180634), (28, 721427641), (43, 469766836), (44, 459090317), (77, 262337324), (86, 234883418), (154, 131168662), (172, 117441709), (301, 67109548), (308, 65584331), (473, 42706076), (602, 33554774), (946, 21353038), (1204, 16777387), (1892, 10676519), (3311, 6100868), (6622, 3050434), (13244, 1525217)]