20180365784

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{7321}}^1$

素因数の和:7632

約数の個数: 64

約数和(自身を含む): 40234682880

約数和(自身を除く): 20054317096

約数列:

[1, 2, 4, 8, 23, 46, 71, 92, 142, 184, 211, 284, 422, 568, 844, 1633, 1688, 3266, 4853, 6532, 7321, 9706, 13064, 14642, 14981, 19412, 29284, 29962, 38824, 58568, 59924, 119848, 168383, 336766, 344563, 519791, 673532, 689126, 1039582, 1347064, 1378252, 1544731, 2079164, 2756504, 3089462, 4158328, 6178924, 11955193, 12357848, 23910386, 35528813, 47820772, 71057626, 95641544, 109675901, 142115252, 219351802, 284230504, 438703604, 877407208, 2522545723, 5045091446, 10090182892, 20180365784]

約数ペア:

[(1, 20180365784), (2, 10090182892), (4, 5045091446), (8, 2522545723), (23, 877407208), (46, 438703604), (71, 284230504), (92, 219351802), (142, 142115252), (184, 109675901), (211, 95641544), (284, 71057626), (422, 47820772), (568, 35528813), (844, 23910386), (1633, 12357848), (1688, 11955193), (3266, 6178924), (4853, 4158328), (6532, 3089462), (7321, 2756504), (9706, 2079164), (13064, 1544731), (14642, 1378252), (14981, 1347064), (19412, 1039582), (29284, 689126), (29962, 673532), (38824, 519791), (58568, 344563), (59924, 336766), (119848, 168383)]