20897699544

素因数分解:

$2^3\times 3^3\times {\mathrm{131}}^1\times {\mathrm{738539}}^1$

素因数の和:738685

約数の個数: 64

約数和(自身を含む): 58492368000

約数和(自身を除く): 37594668456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 131, 216, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 3537, 4716, 7074, 9432, 14148, 28296, 738539, 1477078, 2215617, 2954156, 4431234, 5908312, 6646851, 8862468, 13293702, 17724936, 19940553, 26587404, 39881106, 53174808, 79762212, 96748609, 159524424, 193497218, 290245827, 386994436, 580491654, 773988872, 870737481, 1160983308, 1741474962, 2321966616, 2612212443, 3482949924, 5224424886, 6965899848, 10448849772, 20897699544]

約数ペア:

[(1, 20897699544), (2, 10448849772), (3, 6965899848), (4, 5224424886), (6, 3482949924), (8, 2612212443), (9, 2321966616), (12, 1741474962), (18, 1160983308), (24, 870737481), (27, 773988872), (36, 580491654), (54, 386994436), (72, 290245827), (108, 193497218), (131, 159524424), (216, 96748609), (262, 79762212), (393, 53174808), (524, 39881106), (786, 26587404), (1048, 19940553), (1179, 17724936), (1572, 13293702), (2358, 8862468), (3144, 6646851), (3537, 5908312), (4716, 4431234), (7074, 2954156), (9432, 2215617), (14148, 1477078), (28296, 738539)]