20650030

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2297}}^1$

素因数の和:2364

約数の個数: 32

約数和(自身を含む): 39709440

約数和(自身を除く): 19059410

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 2297, 4495, 4594, 8990, 11485, 22970, 66613, 71207, 133226, 142414, 333065, 356035, 666130, 712070, 2065003, 4130006, 10325015, 20650030]

約数ペア:

[(1, 20650030), (2, 10325015), (5, 4130006), (10, 2065003), (29, 712070), (31, 666130), (58, 356035), (62, 333065), (145, 142414), (155, 133226), (290, 71207), (310, 66613), (899, 22970), (1798, 11485), (2297, 8990), (4495, 4594)]