20528028032

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{66463}}^1$

素因数の和:66623

約数の個数: 64

約数和(自身を含む): 43387699200

約数和(自身を除く): 22859671168

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 128, 152, 254, 304, 508, 608, 1016, 1216, 2032, 2413, 2432, 4064, 4826, 8128, 9652, 16256, 19304, 38608, 66463, 77216, 132926, 154432, 265852, 308864, 531704, 1063408, 1262797, 2126816, 2525594, 4253632, 5051188, 8440801, 8507264, 10102376, 16881602, 20204752, 33763204, 40409504, 67526408, 80819008, 135052816, 160375219, 161638016, 270105632, 320750438, 540211264, 641500876, 1080422528, 1283001752, 2566003504, 5132007008, 10264014016, 20528028032]

約数ペア:

[(1, 20528028032), (2, 10264014016), (4, 5132007008), (8, 2566003504), (16, 1283001752), (19, 1080422528), (32, 641500876), (38, 540211264), (64, 320750438), (76, 270105632), (127, 161638016), (128, 160375219), (152, 135052816), (254, 80819008), (304, 67526408), (508, 40409504), (608, 33763204), (1016, 20204752), (1216, 16881602), (2032, 10102376), (2413, 8507264), (2432, 8440801), (4064, 5051188), (4826, 4253632), (8128, 2525594), (9652, 2126816), (16256, 1262797), (19304, 1063408), (38608, 531704), (66463, 308864), (77216, 265852), (132926, 154432)]