20512159632

素因数分解:

$2^4\times 3^3\times {\mathrm{61}}^1\times {\mathrm{778391}}^1$

素因数の和:778469

約数の個数: 80

約数和(自身を含む): 59842776960

約数和(自身を除く): 39330617328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 61, 72, 108, 122, 144, 183, 216, 244, 366, 432, 488, 549, 732, 976, 1098, 1464, 1647, 2196, 2928, 3294, 4392, 6588, 8784, 13176, 26352, 778391, 1556782, 2335173, 3113564, 4670346, 6227128, 7005519, 9340692, 12454256, 14011038, 18681384, 21016557, 28022076, 37362768, 42033114, 47481851, 56044152, 84066228, 94963702, 112088304, 142445553, 168132456, 189927404, 284891106, 336264912, 379854808, 427336659, 569782212, 759709616, 854673318, 1139564424, 1282009977, 1709346636, 2279128848, 2564019954, 3418693272, 5128039908, 6837386544, 10256079816, 20512159632]

約数ペア:

[(1, 20512159632), (2, 10256079816), (3, 6837386544), (4, 5128039908), (6, 3418693272), (8, 2564019954), (9, 2279128848), (12, 1709346636), (16, 1282009977), (18, 1139564424), (24, 854673318), (27, 759709616), (36, 569782212), (48, 427336659), (54, 379854808), (61, 336264912), (72, 284891106), (108, 189927404), (122, 168132456), (144, 142445553), (183, 112088304), (216, 94963702), (244, 84066228), (366, 56044152), (432, 47481851), (488, 42033114), (549, 37362768), (732, 28022076), (976, 21016557), (1098, 18681384), (1464, 14011038), (1647, 12454256), (2196, 9340692), (2928, 7005519), (3294, 6227128), (4392, 4670346), (6588, 3113564), (8784, 2335173), (13176, 1556782), (26352, 778391)]