20763960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1341

約数の個数: 128

約数和(自身を含む): 74995200

約数和(自身を除く): 54231240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1301, 1330, 1596, 1995, 2280, 2602, 2660, 3192, 3903, 3990, 5204, 5320, 6505, 7806, 7980, 9107, 10408, 13010, 15612, 15960, 18214, 19515, 24719, 26020, 27321, 31224, 36428, 39030, 45535, 49438, 52040, 54642, 72856, 74157, 78060, 91070, 98876, 109284, 123595, 136605, 148314, 156120, 173033, 182140, 197752, 218568, 247190, 273210, 296628, 346066, 364280, 370785, 494380, 519099, 546420, 593256, 692132, 741570, 865165, 988760, 1038198, 1092840, 1384264, 1483140, 1730330, 2076396, 2595495, 2966280, 3460660, 4152792, 5190990, 6921320, 10381980, 20763960]

約数ペア:

[(1, 20763960), (2, 10381980), (3, 6921320), (4, 5190990), (5, 4152792), (6, 3460660), (7, 2966280), (8, 2595495), (10, 2076396), (12, 1730330), (14, 1483140), (15, 1384264), (19, 1092840), (20, 1038198), (21, 988760), (24, 865165), (28, 741570), (30, 692132), (35, 593256), (38, 546420), (40, 519099), (42, 494380), (56, 370785), (57, 364280), (60, 346066), (70, 296628), (76, 273210), (84, 247190), (95, 218568), (105, 197752), (114, 182140), (120, 173033), (133, 156120), (140, 148314), (152, 136605), (168, 123595), (190, 109284), (210, 98876), (228, 91070), (266, 78060), (280, 74157), (285, 72856), (380, 54642), (399, 52040), (420, 49438), (456, 45535), (532, 39030), (570, 36428), (665, 31224), (760, 27321), (798, 26020), (840, 24719), (1064, 19515), (1140, 18214), (1301, 15960), (1330, 15612), (1596, 13010), (1995, 10408), (2280, 9107), (2602, 7980), (2660, 7806), (3192, 6505), (3903, 5320), (3990, 5204)]