20204760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1229}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 61106400

約数和(自身を除く): 40901640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 1096, 1229, 1370, 1644, 2055, 2458, 2740, 3288, 3687, 4110, 4916, 5480, 6145, 7374, 8220, 9832, 12290, 14748, 16440, 18435, 24580, 29496, 36870, 49160, 73740, 147480, 168373, 336746, 505119, 673492, 841865, 1010238, 1346984, 1683730, 2020476, 2525595, 3367460, 4040952, 5051190, 6734920, 10102380, 20204760]

約数ペア:

[(1, 20204760), (2, 10102380), (3, 6734920), (4, 5051190), (5, 4040952), (6, 3367460), (8, 2525595), (10, 2020476), (12, 1683730), (15, 1346984), (20, 1010238), (24, 841865), (30, 673492), (40, 505119), (60, 336746), (120, 168373), (137, 147480), (274, 73740), (411, 49160), (548, 36870), (685, 29496), (822, 24580), (1096, 18435), (1229, 16440), (1370, 14748), (1644, 12290), (2055, 9832), (2458, 8220), (2740, 7374), (3288, 6145), (3687, 5480), (4110, 4916)]