20178395535

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{82031}}^1$

素因数の和:82116

約数の個数: 48

約数和(自身を含む): 34839318528

約数和(自身を除く): 14660922993

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 529, 713, 1587, 2139, 2645, 3565, 7935, 10695, 16399, 49197, 81995, 82031, 245985, 246093, 410155, 1230465, 1886713, 2542961, 5660139, 7628883, 9433565, 12714805, 28300695, 38144415, 43394399, 58488103, 130183197, 175464309, 216971995, 292440515, 650915985, 877321545, 1345226369, 4035679107, 6726131845, 20178395535]

約数ペア:

[(1, 20178395535), (3, 6726131845), (5, 4035679107), (15, 1345226369), (23, 877321545), (31, 650915985), (69, 292440515), (93, 216971995), (115, 175464309), (155, 130183197), (345, 58488103), (465, 43394399), (529, 38144415), (713, 28300695), (1587, 12714805), (2139, 9433565), (2645, 7628883), (3565, 5660139), (7935, 2542961), (10695, 1886713), (16399, 1230465), (49197, 410155), (81995, 246093), (82031, 245985)]