20666256

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33119}}^1$

素因数の和:33143

約数の個数: 40

約数和(自身を含む): 57496320

約数和(自身を除く): 36830064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33119, 66238, 99357, 132476, 198714, 264952, 397428, 430547, 529904, 794856, 861094, 1291641, 1589712, 1722188, 2583282, 3444376, 5166564, 6888752, 10333128, 20666256]

約数ペア:

[(1, 20666256), (2, 10333128), (3, 6888752), (4, 5166564), (6, 3444376), (8, 2583282), (12, 1722188), (13, 1589712), (16, 1291641), (24, 861094), (26, 794856), (39, 529904), (48, 430547), (52, 397428), (78, 264952), (104, 198714), (156, 132476), (208, 99357), (312, 66238), (624, 33119)]