20512690646

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1\times {\mathrm{17029}}^1$

素因数の和:17796

約数の個数: 32

約数和(自身を含む): 35476896000

約数和(自身を除く): 14964205354

約数列:

[1, 2, 7, 14, 139, 278, 619, 973, 1238, 1946, 4333, 8666, 17029, 34058, 86041, 119203, 172082, 238406, 602287, 1204574, 2367031, 4734062, 10540951, 16569217, 21081902, 33138434, 73786657, 147573314, 1465192189, 2930384378, 10256345323, 20512690646]

約数ペア:

[(1, 20512690646), (2, 10256345323), (7, 2930384378), (14, 1465192189), (139, 147573314), (278, 73786657), (619, 33138434), (973, 21081902), (1238, 16569217), (1946, 10540951), (4333, 4734062), (8666, 2367031), (17029, 1204574), (34058, 602287), (86041, 238406), (119203, 172082)]