20097672

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 63037440

約数和(自身を除く): 42939768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 31, 34, 42, 51, 56, 62, 68, 84, 93, 102, 119, 124, 136, 168, 186, 204, 217, 227, 238, 248, 357, 372, 408, 434, 454, 476, 527, 651, 681, 714, 744, 868, 908, 952, 1054, 1302, 1362, 1428, 1581, 1589, 1736, 1816, 2108, 2604, 2724, 2856, 3162, 3178, 3689, 3859, 4216, 4767, 5208, 5448, 6324, 6356, 7037, 7378, 7718, 9534, 11067, 11577, 12648, 12712, 14074, 14756, 15436, 19068, 21111, 22134, 23154, 27013, 28148, 29512, 30872, 38136, 42222, 44268, 46308, 49259, 54026, 56296, 81039, 84444, 88536, 92616, 98518, 108052, 119629, 147777, 162078, 168888, 197036, 216104, 239258, 295554, 324156, 358887, 394072, 478516, 591108, 648312, 717774, 837403, 957032, 1182216, 1435548, 1674806, 2512209, 2871096, 3349612, 5024418, 6699224, 10048836, 20097672]

約数ペア:

[(1, 20097672), (2, 10048836), (3, 6699224), (4, 5024418), (6, 3349612), (7, 2871096), (8, 2512209), (12, 1674806), (14, 1435548), (17, 1182216), (21, 957032), (24, 837403), (28, 717774), (31, 648312), (34, 591108), (42, 478516), (51, 394072), (56, 358887), (62, 324156), (68, 295554), (84, 239258), (93, 216104), (102, 197036), (119, 168888), (124, 162078), (136, 147777), (168, 119629), (186, 108052), (204, 98518), (217, 92616), (227, 88536), (238, 84444), (248, 81039), (357, 56296), (372, 54026), (408, 49259), (434, 46308), (454, 44268), (476, 42222), (527, 38136), (651, 30872), (681, 29512), (714, 28148), (744, 27013), (868, 23154), (908, 22134), (952, 21111), (1054, 19068), (1302, 15436), (1362, 14756), (1428, 14074), (1581, 12712), (1589, 12648), (1736, 11577), (1816, 11067), (2108, 9534), (2604, 7718), (2724, 7378), (2856, 7037), (3162, 6356), (3178, 6324), (3689, 5448), (3859, 5208), (4216, 4767)]