20931918

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{1453}}^1$

素因数の和:1486

約数の個数: 40

約数和(自身を含む): 48871848

約数和(自身を除く): 27939930

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 1453, 2058, 2401, 2906, 4359, 4802, 7203, 8718, 10171, 14406, 20342, 30513, 61026, 71197, 142394, 213591, 427182, 498379, 996758, 1495137, 2990274, 3488653, 6977306, 10465959, 20931918]

約数ペア:

[(1, 20931918), (2, 10465959), (3, 6977306), (6, 3488653), (7, 2990274), (14, 1495137), (21, 996758), (42, 498379), (49, 427182), (98, 213591), (147, 142394), (294, 71197), (343, 61026), (686, 30513), (1029, 20342), (1453, 14406), (2058, 10171), (2401, 8718), (2906, 7203), (4359, 4802)]