20544170240

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{11489}}^1$

素因数の和:11648

約数の個数: 144

約数和(自身を含む): 54110730240

約数和(自身を除く): 33566560000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 127, 128, 160, 176, 220, 254, 256, 320, 352, 440, 508, 635, 640, 704, 880, 1016, 1270, 1280, 1397, 1408, 1760, 2032, 2540, 2794, 2816, 3520, 4064, 5080, 5588, 6985, 7040, 8128, 10160, 11176, 11489, 13970, 14080, 16256, 20320, 22352, 22978, 27940, 32512, 40640, 44704, 45956, 55880, 57445, 81280, 89408, 91912, 111760, 114890, 126379, 162560, 178816, 183824, 223520, 229780, 252758, 357632, 367648, 447040, 459560, 505516, 631895, 735296, 894080, 919120, 1011032, 1263790, 1459103, 1470592, 1788160, 1838240, 2022064, 2527580, 2918206, 2941184, 3676480, 4044128, 5055160, 5836412, 7295515, 7352960, 8088256, 10110320, 11672824, 14591030, 14705920, 16050133, 16176512, 20220640, 23345648, 29182060, 32100266, 32353024, 40441280, 46691296, 58364120, 64200532, 80250665, 80882560, 93382592, 116728240, 128401064, 160501330, 161765120, 186765184, 233456480, 256802128, 321002660, 373530368, 466912960, 513604256, 642005320, 933825920, 1027208512, 1284010640, 1867651840, 2054417024, 2568021280, 4108834048, 5136042560, 10272085120, 20544170240]

約数ペア:

[(1, 20544170240), (2, 10272085120), (4, 5136042560), (5, 4108834048), (8, 2568021280), (10, 2054417024), (11, 1867651840), (16, 1284010640), (20, 1027208512), (22, 933825920), (32, 642005320), (40, 513604256), (44, 466912960), (55, 373530368), (64, 321002660), (80, 256802128), (88, 233456480), (110, 186765184), (127, 161765120), (128, 160501330), (160, 128401064), (176, 116728240), (220, 93382592), (254, 80882560), (256, 80250665), (320, 64200532), (352, 58364120), (440, 46691296), (508, 40441280), (635, 32353024), (640, 32100266), (704, 29182060), (880, 23345648), (1016, 20220640), (1270, 16176512), (1280, 16050133), (1397, 14705920), (1408, 14591030), (1760, 11672824), (2032, 10110320), (2540, 8088256), (2794, 7352960), (2816, 7295515), (3520, 5836412), (4064, 5055160), (5080, 4044128), (5588, 3676480), (6985, 2941184), (7040, 2918206), (8128, 2527580), (10160, 2022064), (11176, 1838240), (11489, 1788160), (13970, 1470592), (14080, 1459103), (16256, 1263790), (20320, 1011032), (22352, 919120), (22978, 894080), (27940, 735296), (32512, 631895), (40640, 505516), (44704, 459560), (45956, 447040), (55880, 367648), (57445, 357632), (81280, 252758), (89408, 229780), (91912, 223520), (111760, 183824), (114890, 178816), (126379, 162560)]