20152779700

素因数分解:

$2^2\times 5^2\times {\mathrm{373}}^1\times {\mathrm{409}}^1\times {\mathrm{1321}}^1$

素因数の和:2117

約数の個数: 72

約数和(自身を含む): 43989259160

約数和(自身を除く): 23836479460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 373, 409, 746, 818, 1321, 1492, 1636, 1865, 2045, 2642, 3730, 4090, 5284, 6605, 7460, 8180, 9325, 10225, 13210, 18650, 20450, 26420, 33025, 37300, 40900, 66050, 132100, 152557, 305114, 492733, 540289, 610228, 762785, 985466, 1080578, 1525570, 1970932, 2161156, 2463665, 2701445, 3051140, 3813925, 4927330, 5402890, 7627850, 9854660, 10805780, 12318325, 13507225, 15255700, 24636650, 27014450, 49273300, 54028900, 201527797, 403055594, 806111188, 1007638985, 2015277970, 4030555940, 5038194925, 10076389850, 20152779700]

約数ペア:

[(1, 20152779700), (2, 10076389850), (4, 5038194925), (5, 4030555940), (10, 2015277970), (20, 1007638985), (25, 806111188), (50, 403055594), (100, 201527797), (373, 54028900), (409, 49273300), (746, 27014450), (818, 24636650), (1321, 15255700), (1492, 13507225), (1636, 12318325), (1865, 10805780), (2045, 9854660), (2642, 7627850), (3730, 5402890), (4090, 4927330), (5284, 3813925), (6605, 3051140), (7460, 2701445), (8180, 2463665), (9325, 2161156), (10225, 1970932), (13210, 1525570), (18650, 1080578), (20450, 985466), (26420, 762785), (33025, 610228), (37300, 540289), (40900, 492733), (66050, 305114), (132100, 152557)]