20227095

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 40422720

約数和(自身を除く): 20195625

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 157, 315, 409, 471, 785, 1099, 1227, 1413, 2045, 2355, 2863, 3297, 3681, 5495, 6135, 7065, 8589, 9891, 14315, 16485, 18405, 25767, 42945, 49455, 64213, 128835, 192639, 321065, 449491, 577917, 963195, 1348473, 2247455, 2889585, 4045419, 6742365, 20227095]

約数ペア:

[(1, 20227095), (3, 6742365), (5, 4045419), (7, 2889585), (9, 2247455), (15, 1348473), (21, 963195), (35, 577917), (45, 449491), (63, 321065), (105, 192639), (157, 128835), (315, 64213), (409, 49455), (471, 42945), (785, 25767), (1099, 18405), (1227, 16485), (1413, 14315), (2045, 9891), (2355, 8589), (2863, 7065), (3297, 6135), (3681, 5495)]