20316928

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4177}}^1$

素因数の和:4212

約数の個数: 36

約数和(自身を含む): 42699160

約数和(自身を除く): 22382232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4177, 4864, 8354, 16708, 33416, 66832, 79363, 133664, 158726, 267328, 317452, 534656, 634904, 1069312, 1269808, 2539616, 5079232, 10158464, 20316928]

約数ペア:

[(1, 20316928), (2, 10158464), (4, 5079232), (8, 2539616), (16, 1269808), (19, 1069312), (32, 634904), (38, 534656), (64, 317452), (76, 267328), (128, 158726), (152, 133664), (256, 79363), (304, 66832), (608, 33416), (1216, 16708), (2432, 8354), (4177, 4864)]