20048870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1429}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 38301120

約数和(自身を除く): 18252250

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 1403, 1429, 2806, 2858, 7015, 7145, 14030, 14290, 32867, 65734, 87169, 164335, 174338, 328670, 435845, 871690, 2004887, 4009774, 10024435, 20048870]

約数ペア:

[(1, 20048870), (2, 10024435), (5, 4009774), (10, 2004887), (23, 871690), (46, 435845), (61, 328670), (115, 174338), (122, 164335), (230, 87169), (305, 65734), (610, 32867), (1403, 14290), (1429, 14030), (2806, 7145), (2858, 7015)]