20257346048

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{1720223}}^1$

素因数の和:1720264

約数の個数: 40

約数和(自身を含む): 42234939648

約数和(自身を除く): 21977593600

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 2944, 5888, 11776, 1720223, 3440446, 6880892, 13761784, 27523568, 39565129, 55047136, 79130258, 110094272, 158260516, 220188544, 316521032, 440377088, 633042064, 880754176, 1266084128, 2532168256, 5064336512, 10128673024, 20257346048]

約数ペア:

[(1, 20257346048), (2, 10128673024), (4, 5064336512), (8, 2532168256), (16, 1266084128), (23, 880754176), (32, 633042064), (46, 440377088), (64, 316521032), (92, 220188544), (128, 158260516), (184, 110094272), (256, 79130258), (368, 55047136), (512, 39565129), (736, 27523568), (1472, 13761784), (2944, 6880892), (5888, 3440446), (11776, 1720223)]