20643264

素因数分解:

$2^6\times 3^2\times {\mathrm{35839}}^1$

素因数の和:35857

約数の個数: 42

約数和(自身を含む): 59171840

約数和(自身を除く): 38528576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 35839, 71678, 107517, 143356, 215034, 286712, 322551, 430068, 573424, 645102, 860136, 1146848, 1290204, 1720272, 2293696, 2580408, 3440544, 5160816, 6881088, 10321632, 20643264]

約数ペア:

[(1, 20643264), (2, 10321632), (3, 6881088), (4, 5160816), (6, 3440544), (8, 2580408), (9, 2293696), (12, 1720272), (16, 1290204), (18, 1146848), (24, 860136), (32, 645102), (36, 573424), (48, 430068), (64, 322551), (72, 286712), (96, 215034), (144, 143356), (192, 107517), (288, 71678), (576, 35839)]