20971738561680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{206577409}}^1$

素因数の和:206577478

約数の個数: 160

約数和(自身を含む): 73772924659200

約数和(自身を除く): 52801186097520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 72, 80, 90, 94, 108, 120, 135, 141, 144, 180, 188, 216, 235, 240, 270, 282, 360, 376, 423, 432, 470, 540, 564, 705, 720, 752, 846, 940, 1080, 1128, 1269, 1410, 1692, 1880, 2115, 2160, 2256, 2538, 2820, 3384, 3760, 4230, 5076, 5640, 6345, 6768, 8460, 10152, 11280, 12690, 16920, 20304, 25380, 33840, 50760, 101520, 206577409, 413154818, 619732227, 826309636, 1032887045, 1239464454, 1652619272, 1859196681, 2065774090, 2478928908, 3098661135, 3305238544, 3718393362, 4131548180, 4957857816, 5577590043, 6197322270, 7436786724, 8263096360, 9295983405, 9709138223, 9915715632, 11155180086, 12394644540, 14873573448, 16526192720, 18591966810, 19418276446, 22310360172, 24789289080, 27887950215, 29127414669, 29747146896, 37183933620, 38836552892, 44620720344, 48545691115, 49578578160, 55775900430, 58254829338, 74367867240, 77673105784, 87382244007, 89241440688, 97091382230, 111551800860, 116509658676, 145637073345, 148735734480, 155346211568, 174764488014, 194182764460, 223103601720, 233019317352, 262146732021, 291274146690, 349528976028, 388365528920, 436911220035, 446207203440, 466038634704, 524293464042, 582548293380, 699057952056, 776731057840, 873822440070, 1048586928084, 1165096586760, 1310733660105, 1398115904112, 1747644880140, 2097173856168, 2330193173520, 2621467320210, 3495289760280, 4194347712336, 5242934640420, 6990579520560, 10485869280840, 20971738561680]

約数ペア:

[(1, 20971738561680), (2, 10485869280840), (3, 6990579520560), (4, 5242934640420), (5, 4194347712336), (6, 3495289760280), (8, 2621467320210), (9, 2330193173520), (10, 2097173856168), (12, 1747644880140), (15, 1398115904112), (16, 1310733660105), (18, 1165096586760), (20, 1048586928084), (24, 873822440070), (27, 776731057840), (30, 699057952056), (36, 582548293380), (40, 524293464042), (45, 466038634704), (47, 446207203440), (48, 436911220035), (54, 388365528920), (60, 349528976028), (72, 291274146690), (80, 262146732021), (90, 233019317352), (94, 223103601720), (108, 194182764460), (120, 174764488014), (135, 155346211568), (141, 148735734480), (144, 145637073345), (180, 116509658676), (188, 111551800860), (216, 97091382230), (235, 89241440688), (240, 87382244007), (270, 77673105784), (282, 74367867240), (360, 58254829338), (376, 55775900430), (423, 49578578160), (432, 48545691115), (470, 44620720344), (540, 38836552892), (564, 37183933620), (705, 29747146896), (720, 29127414669), (752, 27887950215), (846, 24789289080), (940, 22310360172), (1080, 19418276446), (1128, 18591966810), (1269, 16526192720), (1410, 14873573448), (1692, 12394644540), (1880, 11155180086), (2115, 9915715632), (2160, 9709138223), (2256, 9295983405), (2538, 8263096360), (2820, 7436786724), (3384, 6197322270), (3760, 5577590043), (4230, 4957857816), (5076, 4131548180), (5640, 3718393362), (6345, 3305238544), (6768, 3098661135), (8460, 2478928908), (10152, 2065774090), (11280, 1859196681), (12690, 1652619272), (16920, 1239464454), (20304, 1032887045), (25380, 826309636), (33840, 619732227), (50760, 413154818), (101520, 206577409)]