820261616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2698229}}^1$

素因数の和:2698256

約数の個数: 20

約数和(自身を含む): 1672902600

約数和(自身を除く): 852640984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2698229, 5396458, 10792916, 21585832, 43171664, 51266351, 102532702, 205065404, 410130808, 820261616]

約数ペア:

[(1, 820261616), (2, 410130808), (4, 205065404), (8, 102532702), (16, 51266351), (19, 43171664), (38, 21585832), (76, 10792916), (152, 5396458), (304, 2698229)]