20936272

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3527}}^1$

素因数の和:3595

約数の個数: 40

約数和(自身を含む): 47246976

約数和(自身を除く): 26310704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3527, 5936, 7054, 14108, 24689, 28216, 49378, 56432, 98756, 186931, 197512, 373862, 395024, 747724, 1308517, 1495448, 2617034, 2990896, 5234068, 10468136, 20936272]

約数ペア:

[(1, 20936272), (2, 10468136), (4, 5234068), (7, 2990896), (8, 2617034), (14, 1495448), (16, 1308517), (28, 747724), (53, 395024), (56, 373862), (106, 197512), (112, 186931), (212, 98756), (371, 56432), (424, 49378), (742, 28216), (848, 24689), (1484, 14108), (2968, 7054), (3527, 5936)]