201220336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{661909}}^1$

素因数の和:661936

約数の個数: 20

約数和(自身を含む): 410384200

約数和(自身を除く): 209163864

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 661909, 1323818, 2647636, 5295272, 10590544, 12576271, 25152542, 50305084, 100610168, 201220336]

約数ペア:

[(1, 201220336), (2, 100610168), (4, 50305084), (8, 25152542), (16, 12576271), (19, 10590544), (38, 5295272), (76, 2647636), (152, 1323818), (304, 661909)]