20244728

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 26411272

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 53, 56, 76, 106, 133, 152, 212, 266, 359, 371, 424, 532, 718, 742, 1007, 1064, 1436, 1484, 2014, 2513, 2872, 2968, 4028, 5026, 6821, 7049, 8056, 10052, 13642, 14098, 19027, 20104, 27284, 28196, 38054, 47747, 54568, 56392, 76108, 95494, 133189, 152216, 190988, 266378, 361513, 381976, 532756, 723026, 1065512, 1446052, 2530591, 2892104, 5061182, 10122364, 20244728]

約数ペア:

[(1, 20244728), (2, 10122364), (4, 5061182), (7, 2892104), (8, 2530591), (14, 1446052), (19, 1065512), (28, 723026), (38, 532756), (53, 381976), (56, 361513), (76, 266378), (106, 190988), (133, 152216), (152, 133189), (212, 95494), (266, 76108), (359, 56392), (371, 54568), (424, 47747), (532, 38054), (718, 28196), (742, 27284), (1007, 20104), (1064, 19027), (1436, 14098), (1484, 13642), (2014, 10052), (2513, 8056), (2872, 7049), (2968, 6821), (4028, 5026)]