20395248

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8017}}^1$

素因数の和:8081

約数の個数: 40

約数和(自身を含む): 53688528

約数和(自身を除く): 33293280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8017, 16034, 24051, 32068, 48102, 64136, 96204, 128272, 192408, 384816, 424901, 849802, 1274703, 1699604, 2549406, 3399208, 5098812, 6798416, 10197624, 20395248]

約数ペア:

[(1, 20395248), (2, 10197624), (3, 6798416), (4, 5098812), (6, 3399208), (8, 2549406), (12, 1699604), (16, 1274703), (24, 849802), (48, 424901), (53, 384816), (106, 192408), (159, 128272), (212, 96204), (318, 64136), (424, 48102), (636, 32068), (848, 24051), (1272, 16034), (2544, 8017)]