20174177720

素因数分解:

$2^3\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{275453}}^1$

素因数の和:277295

約数の個数: 32

約数和(自身を含む): 45416855520

約数和(自身を除く): 25242677800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1831, 3662, 7324, 9155, 14648, 18310, 36620, 73240, 275453, 550906, 1101812, 1377265, 2203624, 2754530, 5509060, 11018120, 504354443, 1008708886, 2017417772, 2521772215, 4034835544, 5043544430, 10087088860, 20174177720]

約数ペア:

[(1, 20174177720), (2, 10087088860), (4, 5043544430), (5, 4034835544), (8, 2521772215), (10, 2017417772), (20, 1008708886), (40, 504354443), (1831, 11018120), (3662, 5509060), (7324, 2754530), (9155, 2203624), (14648, 1377265), (18310, 1101812), (36620, 550906), (73240, 275453)]