20105308530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1\times {\mathrm{3169}}^1$

素因数の和:3788

約数の個数: 96

約数和(自身を含む): 52740558000

約数和(自身を除く): 32635249470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 449, 471, 785, 898, 942, 1347, 1413, 1570, 2245, 2355, 2694, 2826, 3169, 4041, 4490, 4710, 6338, 6735, 7065, 8082, 9507, 13470, 14130, 15845, 19014, 20205, 28521, 31690, 40410, 47535, 57042, 70493, 95070, 140986, 142605, 211479, 285210, 352465, 422958, 497533, 634437, 704930, 995066, 1057395, 1268874, 1422881, 1492599, 2114790, 2487665, 2845762, 2985198, 3172185, 4268643, 4477797, 4975330, 6344370, 7114405, 7462995, 8537286, 8955594, 12805929, 14228810, 14925990, 21343215, 22388985, 25611858, 42686430, 44777970, 64029645, 128059290, 223392317, 446784634, 670176951, 1116961585, 1340353902, 2010530853, 2233923170, 3350884755, 4021061706, 6701769510, 10052654265, 20105308530]

約数ペア:

[(1, 20105308530), (2, 10052654265), (3, 6701769510), (5, 4021061706), (6, 3350884755), (9, 2233923170), (10, 2010530853), (15, 1340353902), (18, 1116961585), (30, 670176951), (45, 446784634), (90, 223392317), (157, 128059290), (314, 64029645), (449, 44777970), (471, 42686430), (785, 25611858), (898, 22388985), (942, 21343215), (1347, 14925990), (1413, 14228810), (1570, 12805929), (2245, 8955594), (2355, 8537286), (2694, 7462995), (2826, 7114405), (3169, 6344370), (4041, 4975330), (4490, 4477797), (4710, 4268643), (6338, 3172185), (6735, 2985198), (7065, 2845762), (8082, 2487665), (9507, 2114790), (13470, 1492599), (14130, 1422881), (15845, 1268874), (19014, 1057395), (20205, 995066), (28521, 704930), (31690, 634437), (40410, 497533), (47535, 422958), (57042, 352465), (70493, 285210), (95070, 211479), (140986, 142605)]