20184798172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{923029}}^1$

素因数の和:923122

約数の個数: 48

約数和(自身を含む): 44659883520

約数和(自身を除く): 24475085348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 10934, 21868, 923029, 1846058, 3692116, 6461203, 10153319, 12922406, 20306638, 25844812, 40613276, 65535059, 71073233, 131070118, 142146466, 262140236, 284292932, 458745413, 720885649, 917490826, 1441771298, 1834981652, 2883542596, 5046199543, 10092399086, 20184798172]

約数ペア:

[(1, 20184798172), (2, 10092399086), (4, 5046199543), (7, 2883542596), (11, 1834981652), (14, 1441771298), (22, 917490826), (28, 720885649), (44, 458745413), (71, 284292932), (77, 262140236), (142, 142146466), (154, 131070118), (284, 71073233), (308, 65535059), (497, 40613276), (781, 25844812), (994, 20306638), (1562, 12922406), (1988, 10153319), (3124, 6461203), (5467, 3692116), (10934, 1846058), (21868, 923029)]