20737360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1988

約数の個数: 80

約数和(自身を含む): 58032000

約数和(自身を除く): 37294640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 1949, 2128, 2660, 3898, 5320, 7796, 9745, 10640, 13643, 15592, 19490, 27286, 31184, 37031, 38980, 54572, 68215, 74062, 77960, 109144, 136430, 148124, 155920, 185155, 218288, 259217, 272860, 296248, 370310, 518434, 545720, 592496, 740620, 1036868, 1091440, 1296085, 1481240, 2073736, 2592170, 2962480, 4147472, 5184340, 10368680, 20737360]

約数ペア:

[(1, 20737360), (2, 10368680), (4, 5184340), (5, 4147472), (7, 2962480), (8, 2592170), (10, 2073736), (14, 1481240), (16, 1296085), (19, 1091440), (20, 1036868), (28, 740620), (35, 592496), (38, 545720), (40, 518434), (56, 370310), (70, 296248), (76, 272860), (80, 259217), (95, 218288), (112, 185155), (133, 155920), (140, 148124), (152, 136430), (190, 109144), (266, 77960), (280, 74062), (304, 68215), (380, 54572), (532, 38980), (560, 37031), (665, 31184), (760, 27286), (1064, 19490), (1330, 15592), (1520, 13643), (1949, 10640), (2128, 9745), (2660, 7796), (3898, 5320)]