20839910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22901}}^1$

素因数の和:22928

約数の個数: 32

約数和(自身を含む): 46170432

約数和(自身を除く): 25330522

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22901, 45802, 114505, 160307, 229010, 297713, 320614, 595426, 801535, 1488565, 1603070, 2083991, 2977130, 4167982, 10419955, 20839910]

約数ペア:

[(1, 20839910), (2, 10419955), (5, 4167982), (7, 2977130), (10, 2083991), (13, 1603070), (14, 1488565), (26, 801535), (35, 595426), (65, 320614), (70, 297713), (91, 229010), (130, 160307), (182, 114505), (455, 45802), (910, 22901)]