20834280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 49668120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 101, 108, 120, 135, 180, 191, 202, 216, 270, 303, 360, 382, 404, 505, 540, 573, 606, 764, 808, 909, 955, 1010, 1080, 1146, 1212, 1515, 1528, 1719, 1818, 1910, 2020, 2292, 2424, 2727, 2865, 3030, 3438, 3636, 3820, 4040, 4545, 4584, 5157, 5454, 5730, 6060, 6876, 7272, 7640, 8595, 9090, 10314, 10908, 11460, 12120, 13635, 13752, 17190, 18180, 19291, 20628, 21816, 22920, 25785, 27270, 34380, 36360, 38582, 41256, 51570, 54540, 57873, 68760, 77164, 96455, 103140, 109080, 115746, 154328, 173619, 192910, 206280, 231492, 289365, 347238, 385820, 462984, 520857, 578730, 694476, 771640, 868095, 1041714, 1157460, 1388952, 1736190, 2083428, 2314920, 2604285, 3472380, 4166856, 5208570, 6944760, 10417140, 20834280]

約数ペア:

[(1, 20834280), (2, 10417140), (3, 6944760), (4, 5208570), (5, 4166856), (6, 3472380), (8, 2604285), (9, 2314920), (10, 2083428), (12, 1736190), (15, 1388952), (18, 1157460), (20, 1041714), (24, 868095), (27, 771640), (30, 694476), (36, 578730), (40, 520857), (45, 462984), (54, 385820), (60, 347238), (72, 289365), (90, 231492), (101, 206280), (108, 192910), (120, 173619), (135, 154328), (180, 115746), (191, 109080), (202, 103140), (216, 96455), (270, 77164), (303, 68760), (360, 57873), (382, 54540), (404, 51570), (505, 41256), (540, 38582), (573, 36360), (606, 34380), (764, 27270), (808, 25785), (909, 22920), (955, 21816), (1010, 20628), (1080, 19291), (1146, 18180), (1212, 17190), (1515, 13752), (1528, 13635), (1719, 12120), (1818, 11460), (1910, 10908), (2020, 10314), (2292, 9090), (2424, 8595), (2727, 7640), (2865, 7272), (3030, 6876), (3438, 6060), (3636, 5730), (3820, 5454), (4040, 5157), (4545, 4584)]