20160292

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 39424000

約数和(自身を除く): 19263708

約数列:

[1, 2, 4, 19, 31, 38, 43, 62, 76, 86, 124, 172, 199, 398, 589, 796, 817, 1178, 1333, 1634, 2356, 2666, 3268, 3781, 5332, 6169, 7562, 8557, 12338, 15124, 17114, 24676, 25327, 34228, 50654, 101308, 117211, 162583, 234422, 265267, 325166, 468844, 530534, 650332, 1061068, 5040073, 10080146, 20160292]

約数ペア:

[(1, 20160292), (2, 10080146), (4, 5040073), (19, 1061068), (31, 650332), (38, 530534), (43, 468844), (62, 325166), (76, 265267), (86, 234422), (124, 162583), (172, 117211), (199, 101308), (398, 50654), (589, 34228), (796, 25327), (817, 24676), (1178, 17114), (1333, 15124), (1634, 12338), (2356, 8557), (2666, 7562), (3268, 6169), (3781, 5332)]