20228823081

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{643}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 32305605696

約数和(自身を除く): 12076782615

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 361, 421, 437, 643, 1083, 1263, 1311, 1929, 3249, 3789, 3933, 5787, 7999, 8303, 9683, 12217, 14789, 23997, 24909, 29049, 36651, 44367, 71991, 74727, 87147, 109953, 133101, 151981, 183977, 232123, 270703, 280991, 455943, 551931, 696369, 812109, 842973, 1367829, 1655793, 2089107, 2436327, 2528919, 3495563, 5143357, 5338829, 6226169, 10486689, 15430071, 16016487, 18678507, 31460067, 46290213, 48049461, 56035521, 97723783, 118297211, 293171349, 354891633, 879514047, 1064674899, 2247647009, 6742941027, 20228823081]

約数ペア:

[(1, 20228823081), (3, 6742941027), (9, 2247647009), (19, 1064674899), (23, 879514047), (57, 354891633), (69, 293171349), (171, 118297211), (207, 97723783), (361, 56035521), (421, 48049461), (437, 46290213), (643, 31460067), (1083, 18678507), (1263, 16016487), (1311, 15430071), (1929, 10486689), (3249, 6226169), (3789, 5338829), (3933, 5143357), (5787, 3495563), (7999, 2528919), (8303, 2436327), (9683, 2089107), (12217, 1655793), (14789, 1367829), (23997, 842973), (24909, 812109), (29049, 696369), (36651, 551931), (44367, 455943), (71991, 280991), (74727, 270703), (87147, 232123), (109953, 183977), (133101, 151981)]