20218084

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 38497536

約数和(自身を除く): 18279452

約数列:

[1, 2, 4, 41, 43, 47, 61, 82, 86, 94, 122, 164, 172, 188, 244, 1763, 1927, 2021, 2501, 2623, 2867, 3526, 3854, 4042, 5002, 5246, 5734, 7052, 7708, 8084, 10004, 10492, 11468, 82861, 107543, 117547, 123281, 165722, 215086, 235094, 246562, 331444, 430172, 470188, 493124, 5054521, 10109042, 20218084]

約数ペア:

[(1, 20218084), (2, 10109042), (4, 5054521), (41, 493124), (43, 470188), (47, 430172), (61, 331444), (82, 246562), (86, 235094), (94, 215086), (122, 165722), (164, 123281), (172, 117547), (188, 107543), (244, 82861), (1763, 11468), (1927, 10492), (2021, 10004), (2501, 8084), (2623, 7708), (2867, 7052), (3526, 5734), (3854, 5246), (4042, 5002)]