19702960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6007}}^1$

素因数の和:6061

約数の個数: 40

約数和(自身を含む): 46934496

約数和(自身を除く): 27231536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 6007, 12014, 24028, 30035, 48056, 60070, 96112, 120140, 240280, 246287, 480560, 492574, 985148, 1231435, 1970296, 2462870, 3940592, 4925740, 9851480, 19702960]

約数ペア:

[(1, 19702960), (2, 9851480), (4, 4925740), (5, 3940592), (8, 2462870), (10, 1970296), (16, 1231435), (20, 985148), (40, 492574), (41, 480560), (80, 246287), (82, 240280), (164, 120140), (205, 96112), (328, 60070), (410, 48056), (656, 30035), (820, 24028), (1640, 12014), (3280, 6007)]