20146440964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1619}}^1\times {\mathrm{3923}}^1$

素因数の和:5620

約数の個数: 48

約数和(自身を含む): 38624402880

約数和(自身を除く): 18477961916

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 1619, 3172, 3238, 3923, 6476, 7846, 15692, 21047, 42094, 50999, 84188, 98759, 101998, 197518, 203996, 239303, 395036, 478606, 957212, 1283867, 2567734, 3110939, 5135468, 6221878, 6351337, 12443756, 12702674, 25405348, 82567381, 165134762, 330269524, 387431557, 774863114, 1549726228, 5036610241, 10073220482, 20146440964]

約数ペア:

[(1, 20146440964), (2, 10073220482), (4, 5036610241), (13, 1549726228), (26, 774863114), (52, 387431557), (61, 330269524), (122, 165134762), (244, 82567381), (793, 25405348), (1586, 12702674), (1619, 12443756), (3172, 6351337), (3238, 6221878), (3923, 5135468), (6476, 3110939), (7846, 2567734), (15692, 1283867), (21047, 957212), (42094, 478606), (50999, 395036), (84188, 239303), (98759, 203996), (101998, 197518)]