20172758128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{733}}^1\times {\mathrm{90529}}^1$

素因数の和:91289

約数の個数: 40

約数和(自身を含む): 41198392400

約数和(自身を除く): 21025634272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 733, 1466, 2932, 5864, 11728, 13927, 27854, 55708, 90529, 111416, 181058, 222832, 362116, 724232, 1448464, 1720051, 3440102, 6880204, 13760408, 27520816, 66357757, 132715514, 265431028, 530862056, 1061724112, 1260797383, 2521594766, 5043189532, 10086379064, 20172758128]

約数ペア:

[(1, 20172758128), (2, 10086379064), (4, 5043189532), (8, 2521594766), (16, 1260797383), (19, 1061724112), (38, 530862056), (76, 265431028), (152, 132715514), (304, 66357757), (733, 27520816), (1466, 13760408), (2932, 6880204), (5864, 3440102), (11728, 1720051), (13927, 1448464), (27854, 724232), (55708, 362116), (90529, 222832), (111416, 181058)]