20187964478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{927841}}^1$

素因数の和:927920

約数の個数: 32

約数和(自身を含む): 35272841472

約数和(自身を除く): 15084876994

約数列:

[1, 2, 11, 22, 23, 43, 46, 86, 253, 473, 506, 946, 989, 1978, 10879, 21758, 927841, 1855682, 10206251, 20412502, 21340343, 39897163, 42680686, 79794326, 234743773, 438868793, 469487546, 877737586, 917634749, 1835269498, 10093982239, 20187964478]

約数ペア:

[(1, 20187964478), (2, 10093982239), (11, 1835269498), (22, 917634749), (23, 877737586), (43, 469487546), (46, 438868793), (86, 234743773), (253, 79794326), (473, 42680686), (506, 39897163), (946, 21340343), (989, 20412502), (1978, 10206251), (10879, 1855682), (21758, 927841)]