20402210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2791}}^1$

素因数の和:2858

約数の個数: 32

約数和(自身を含む): 39802752

約数和(自身を除く): 19400542

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 2791, 3655, 5582, 7310, 13955, 27910, 47447, 94894, 120013, 237235, 240026, 474470, 600065, 1200130, 2040221, 4080442, 10201105, 20402210]

約数ペア:

[(1, 20402210), (2, 10201105), (5, 4080442), (10, 2040221), (17, 1200130), (34, 600065), (43, 474470), (85, 240026), (86, 237235), (170, 120013), (215, 94894), (430, 47447), (731, 27910), (1462, 13955), (2791, 7310), (3655, 5582)]