20841525

素因数分解:

$3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:666

約数の個数: 36

約数和(自身を含む): 37591840

約数和(自身を除く): 16750315

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 211, 225, 439, 633, 1055, 1317, 1899, 2195, 3165, 3951, 5275, 6585, 9495, 10975, 15825, 19755, 32925, 47475, 92629, 98775, 277887, 463145, 833661, 1389435, 2315725, 4168305, 6947175, 20841525]

約数ペア:

[(1, 20841525), (3, 6947175), (5, 4168305), (9, 2315725), (15, 1389435), (25, 833661), (45, 463145), (75, 277887), (211, 98775), (225, 92629), (439, 47475), (633, 32925), (1055, 19755), (1317, 15825), (1899, 10975), (2195, 9495), (3165, 6585), (3951, 5275)]