20741230

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 17578898

約数列:

[1, 2, 5, 10, 71, 131, 142, 223, 262, 355, 446, 655, 710, 1115, 1310, 2230, 9301, 15833, 18602, 29213, 31666, 46505, 58426, 79165, 93010, 146065, 158330, 292130, 2074123, 4148246, 10370615, 20741230]

約数ペア:

[(1, 20741230), (2, 10370615), (5, 4148246), (10, 2074123), (71, 292130), (131, 158330), (142, 146065), (223, 93010), (262, 79165), (355, 58426), (446, 46505), (655, 31666), (710, 29213), (1115, 18602), (1310, 15833), (2230, 9301)]