20565174

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 49996800

約数和(自身を除く): 29431626

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 61, 69, 122, 138, 161, 183, 322, 349, 366, 427, 483, 698, 854, 966, 1047, 1281, 1403, 2094, 2443, 2562, 2806, 4209, 4886, 7329, 8027, 8418, 9821, 14658, 16054, 19642, 21289, 24081, 29463, 42578, 48162, 56189, 58926, 63867, 112378, 127734, 149023, 168567, 298046, 337134, 447069, 489647, 894138, 979294, 1468941, 2937882, 3427529, 6855058, 10282587, 20565174]

約数ペア:

[(1, 20565174), (2, 10282587), (3, 6855058), (6, 3427529), (7, 2937882), (14, 1468941), (21, 979294), (23, 894138), (42, 489647), (46, 447069), (61, 337134), (69, 298046), (122, 168567), (138, 149023), (161, 127734), (183, 112378), (322, 63867), (349, 58926), (366, 56189), (427, 48162), (483, 42578), (698, 29463), (854, 24081), (966, 21289), (1047, 19642), (1281, 16054), (1403, 14658), (2094, 9821), (2443, 8418), (2562, 8027), (2806, 7329), (4209, 4886)]