20646730304

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{66067}}^1$

素因数の和:66355

約数の個数: 56

約数和(自身を含む): 43295681760

約数和(自身を除く): 22648951456

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 257, 304, 514, 608, 1028, 1216, 2056, 4112, 4883, 8224, 9766, 16448, 19532, 39064, 66067, 78128, 132134, 156256, 264268, 312512, 528536, 1057072, 1255273, 2114144, 2510546, 4228288, 5021092, 10042184, 16979219, 20084368, 33958438, 40168736, 67916876, 80337472, 135833752, 271667504, 322605161, 543335008, 645210322, 1086670016, 1290420644, 2580841288, 5161682576, 10323365152, 20646730304]

約数ペア:

[(1, 20646730304), (2, 10323365152), (4, 5161682576), (8, 2580841288), (16, 1290420644), (19, 1086670016), (32, 645210322), (38, 543335008), (64, 322605161), (76, 271667504), (152, 135833752), (257, 80337472), (304, 67916876), (514, 40168736), (608, 33958438), (1028, 20084368), (1216, 16979219), (2056, 10042184), (4112, 5021092), (4883, 4228288), (8224, 2510546), (9766, 2114144), (16448, 1255273), (19532, 1057072), (39064, 528536), (66067, 312512), (78128, 264268), (132134, 156256)]