20919528

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41507}}^1$

素因数の和:41526

約数の個数: 48

約数和(自身を含む): 64752480

約数和(自身を除く): 43832952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41507, 83014, 124521, 166028, 249042, 290549, 332056, 373563, 498084, 581098, 747126, 871647, 996168, 1162196, 1494252, 1743294, 2324392, 2614941, 2988504, 3486588, 5229882, 6973176, 10459764, 20919528]

約数ペア:

[(1, 20919528), (2, 10459764), (3, 6973176), (4, 5229882), (6, 3486588), (7, 2988504), (8, 2614941), (9, 2324392), (12, 1743294), (14, 1494252), (18, 1162196), (21, 996168), (24, 871647), (28, 747126), (36, 581098), (42, 498084), (56, 373563), (63, 332056), (72, 290549), (84, 249042), (126, 166028), (168, 124521), (252, 83014), (504, 41507)]