20091004130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1\times {\mathrm{74101}}^1$

素因数の和:75554

約数の個数: 32

約数和(自身を含む): 38094356160

約数和(自身を除く): 18003352030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1427, 2854, 7135, 14270, 27113, 54226, 74101, 135565, 148202, 271130, 370505, 741010, 1407919, 2815838, 7039595, 14079190, 105742127, 211484254, 528710635, 1057421270, 2009100413, 4018200826, 10045502065, 20091004130]

約数ペア:

[(1, 20091004130), (2, 10045502065), (5, 4018200826), (10, 2009100413), (19, 1057421270), (38, 528710635), (95, 211484254), (190, 105742127), (1427, 14079190), (2854, 7039595), (7135, 2815838), (14270, 1407919), (27113, 741010), (54226, 370505), (74101, 271130), (135565, 148202)]