20475018

素因数分解:

$2^1\times 3^4\times {\mathrm{211}}^1\times {\mathrm{599}}^1$

素因数の和:824

約数の個数: 40

約数和(自身を含む): 46173600

約数和(自身を除く): 25698582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 211, 422, 599, 633, 1198, 1266, 1797, 1899, 3594, 3798, 5391, 5697, 10782, 11394, 16173, 17091, 32346, 34182, 48519, 97038, 126389, 252778, 379167, 758334, 1137501, 2275002, 3412503, 6825006, 10237509, 20475018]

約数ペア:

[(1, 20475018), (2, 10237509), (3, 6825006), (6, 3412503), (9, 2275002), (18, 1137501), (27, 758334), (54, 379167), (81, 252778), (162, 126389), (211, 97038), (422, 48519), (599, 34182), (633, 32346), (1198, 17091), (1266, 16173), (1797, 11394), (1899, 10782), (3594, 5697), (3798, 5391)]