20835248

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9791}}^1$

素因数の和:9825

約数の個数: 40

約数和(自身を含む): 48568320

約数和(自身を除く): 27733072

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9791, 19582, 39164, 68537, 78328, 137074, 156656, 186029, 274148, 372058, 548296, 744116, 1096592, 1302203, 1488232, 2604406, 2976464, 5208812, 10417624, 20835248]

約数ペア:

[(1, 20835248), (2, 10417624), (4, 5208812), (7, 2976464), (8, 2604406), (14, 1488232), (16, 1302203), (19, 1096592), (28, 744116), (38, 548296), (56, 372058), (76, 274148), (112, 186029), (133, 156656), (152, 137074), (266, 78328), (304, 68537), (532, 39164), (1064, 19582), (2128, 9791)]