20173312660

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{787}}^1\times {\mathrm{4987}}^1$

素因数の和:6040

約数の個数: 48

約数和(自身を含む): 42591374784

約数和(自身を除く): 22418062124

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 787, 1028, 1285, 1574, 2570, 3148, 3935, 4987, 5140, 7870, 9974, 15740, 19948, 24935, 49870, 99740, 202259, 404518, 809036, 1011295, 1281659, 2022590, 2563318, 3924769, 4045180, 5126636, 6408295, 7849538, 12816590, 15699076, 19623845, 25633180, 39247690, 78495380, 1008665633, 2017331266, 4034662532, 5043328165, 10086656330, 20173312660]

約数ペア:

[(1, 20173312660), (2, 10086656330), (4, 5043328165), (5, 4034662532), (10, 2017331266), (20, 1008665633), (257, 78495380), (514, 39247690), (787, 25633180), (1028, 19623845), (1285, 15699076), (1574, 12816590), (2570, 7849538), (3148, 6408295), (3935, 5126636), (4987, 4045180), (5140, 3924769), (7870, 2563318), (9974, 2022590), (15740, 1281659), (19948, 1011295), (24935, 809036), (49870, 404518), (99740, 202259)]