20662155

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3733}}^1$

素因数の和:3788

約数の個数: 32

約数和(自身を含む): 37638720

約数和(自身を除く): 16976565

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 3733, 5535, 11199, 18665, 33597, 55995, 100791, 153053, 167985, 459159, 503955, 765265, 1377477, 2295795, 4132431, 6887385, 20662155]

約数ペア:

[(1, 20662155), (3, 6887385), (5, 4132431), (9, 2295795), (15, 1377477), (27, 765265), (41, 503955), (45, 459159), (123, 167985), (135, 153053), (205, 100791), (369, 55995), (615, 33597), (1107, 18665), (1845, 11199), (3733, 5535)]