20503512

素因数分解:

$2^3\times 3^2\times {\mathrm{223}}^1\times {\mathrm{1277}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 55823040

約数和(自身を除く): 35319528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 223, 446, 669, 892, 1277, 1338, 1784, 2007, 2554, 2676, 3831, 4014, 5108, 5352, 7662, 8028, 10216, 11493, 15324, 16056, 22986, 30648, 45972, 91944, 284771, 569542, 854313, 1139084, 1708626, 2278168, 2562939, 3417252, 5125878, 6834504, 10251756, 20503512]

約数ペア:

[(1, 20503512), (2, 10251756), (3, 6834504), (4, 5125878), (6, 3417252), (8, 2562939), (9, 2278168), (12, 1708626), (18, 1139084), (24, 854313), (36, 569542), (72, 284771), (223, 91944), (446, 45972), (669, 30648), (892, 22986), (1277, 16056), (1338, 15324), (1784, 11493), (2007, 10216), (2554, 8028), (2676, 7662), (3831, 5352), (4014, 5108)]