20459677280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{961451}}^1$

素因数の和:961492

約数の個数: 96

約数和(自身を含む): 58148616960

約数和(自身を除く): 37688939680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 4256, 5320, 10640, 21280, 961451, 1922902, 3845804, 4807255, 6730157, 7691608, 9614510, 13460314, 15383216, 18267569, 19229020, 26920628, 30766432, 33650785, 36535138, 38458040, 53841256, 67301570, 73070276, 76916080, 91337845, 107682512, 127872983, 134603140, 146140552, 153832160, 182675690, 215365024, 255745966, 269206280, 292281104, 365351380, 511491932, 538412560, 584562208, 639364915, 730702760, 1022983864, 1076825120, 1278729830, 1461405520, 2045967728, 2557459660, 2922811040, 4091935456, 5114919320, 10229838640, 20459677280]

約数ペア:

[(1, 20459677280), (2, 10229838640), (4, 5114919320), (5, 4091935456), (7, 2922811040), (8, 2557459660), (10, 2045967728), (14, 1461405520), (16, 1278729830), (19, 1076825120), (20, 1022983864), (28, 730702760), (32, 639364915), (35, 584562208), (38, 538412560), (40, 511491932), (56, 365351380), (70, 292281104), (76, 269206280), (80, 255745966), (95, 215365024), (112, 182675690), (133, 153832160), (140, 146140552), (152, 134603140), (160, 127872983), (190, 107682512), (224, 91337845), (266, 76916080), (280, 73070276), (304, 67301570), (380, 53841256), (532, 38458040), (560, 36535138), (608, 33650785), (665, 30766432), (760, 26920628), (1064, 19229020), (1120, 18267569), (1330, 15383216), (1520, 13460314), (2128, 9614510), (2660, 7691608), (3040, 6730157), (4256, 4807255), (5320, 3845804), (10640, 1922902), (21280, 961451)]