20897101312

素因数分解:

$2^9\times {\mathrm{40814651}}^1$

素因数の和:40814669

約数の個数: 20

約数和(自身を含む): 41753388996

約数和(自身を除く): 20856287684

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40814651, 81629302, 163258604, 326517208, 653034416, 1306068832, 2612137664, 5224275328, 10448550656, 20897101312]

約数ペア:

[(1, 20897101312), (2, 10448550656), (4, 5224275328), (8, 2612137664), (16, 1306068832), (32, 653034416), (64, 326517208), (128, 163258604), (256, 81629302), (512, 40814651)]