20339376

素因数分解:

$2^4\times 3^1\times {\mathrm{643}}^1\times {\mathrm{659}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 52704960

約数和(自身を除く): 32365584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 643, 659, 1286, 1318, 1929, 1977, 2572, 2636, 3858, 3954, 5144, 5272, 7716, 7908, 10288, 10544, 15432, 15816, 30864, 31632, 423737, 847474, 1271211, 1694948, 2542422, 3389896, 5084844, 6779792, 10169688, 20339376]

約数ペア:

[(1, 20339376), (2, 10169688), (3, 6779792), (4, 5084844), (6, 3389896), (8, 2542422), (12, 1694948), (16, 1271211), (24, 847474), (48, 423737), (643, 31632), (659, 30864), (1286, 15816), (1318, 15432), (1929, 10544), (1977, 10288), (2572, 7908), (2636, 7716), (3858, 5272), (3954, 5144)]