20228748

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 48787200

約数和(自身を除く): 28558452

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 197, 199, 258, 394, 398, 516, 591, 597, 788, 796, 1182, 1194, 2364, 2388, 8471, 8557, 16942, 17114, 25413, 25671, 33884, 34228, 39203, 50826, 51342, 78406, 101652, 102684, 117609, 156812, 235218, 470436, 1685729, 3371458, 5057187, 6742916, 10114374, 20228748]

約数ペア:

[(1, 20228748), (2, 10114374), (3, 6742916), (4, 5057187), (6, 3371458), (12, 1685729), (43, 470436), (86, 235218), (129, 156812), (172, 117609), (197, 102684), (199, 101652), (258, 78406), (394, 51342), (398, 50826), (516, 39203), (591, 34228), (597, 33884), (788, 25671), (796, 25413), (1182, 17114), (1194, 16942), (2364, 8557), (2388, 8471)]