20718132

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 51508800

約数和(自身を除く): 30790668

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 89, 114, 178, 228, 267, 356, 534, 1021, 1068, 1691, 2042, 3063, 3382, 4084, 5073, 6126, 6764, 10146, 12252, 19399, 20292, 38798, 58197, 77596, 90869, 116394, 181738, 232788, 272607, 363476, 545214, 1090428, 1726511, 3453022, 5179533, 6906044, 10359066, 20718132]

約数ペア:

[(1, 20718132), (2, 10359066), (3, 6906044), (4, 5179533), (6, 3453022), (12, 1726511), (19, 1090428), (38, 545214), (57, 363476), (76, 272607), (89, 232788), (114, 181738), (178, 116394), (228, 90869), (267, 77596), (356, 58197), (534, 38798), (1021, 20292), (1068, 19399), (1691, 12252), (2042, 10146), (3063, 6764), (3382, 6126), (4084, 5073)]