20217088

素因数分解:

$2^8\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:690

約数の個数: 36

約数和(自身を含む): 40700128

約数和(自身を除く): 20483040

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 256, 302, 523, 604, 1046, 1208, 2092, 2416, 4184, 4832, 8368, 9664, 16736, 19328, 33472, 38656, 66944, 78973, 133888, 157946, 315892, 631784, 1263568, 2527136, 5054272, 10108544, 20217088]

約数ペア:

[(1, 20217088), (2, 10108544), (4, 5054272), (8, 2527136), (16, 1263568), (32, 631784), (64, 315892), (128, 157946), (151, 133888), (256, 78973), (302, 66944), (523, 38656), (604, 33472), (1046, 19328), (1208, 16736), (2092, 9664), (2416, 8368), (4184, 4832)]