20403291260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{85793}}^1$

素因数の和:85883

約数の個数: 96

約数和(自身を含む): 49812682752

約数和(自身を除く): 29409391492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 47, 55, 92, 94, 110, 115, 188, 220, 230, 235, 253, 460, 470, 506, 517, 940, 1012, 1034, 1081, 1265, 2068, 2162, 2530, 2585, 4324, 5060, 5170, 5405, 10340, 10810, 11891, 21620, 23782, 47564, 59455, 85793, 118910, 171586, 237820, 343172, 428965, 857930, 943723, 1715860, 1887446, 1973239, 3774892, 3946478, 4032271, 4718615, 7892956, 8064542, 9437230, 9866195, 16129084, 18874460, 19732390, 20161355, 21705629, 39464780, 40322710, 43411258, 44354981, 80645420, 86822516, 88709962, 92742233, 108528145, 177419924, 185484466, 217056290, 221774905, 370968932, 434112580, 443549810, 463711165, 887099620, 927422330, 1020164563, 1854844660, 2040329126, 4080658252, 5100822815, 10201645630, 20403291260]

約数ペア:

[(1, 20403291260), (2, 10201645630), (4, 5100822815), (5, 4080658252), (10, 2040329126), (11, 1854844660), (20, 1020164563), (22, 927422330), (23, 887099620), (44, 463711165), (46, 443549810), (47, 434112580), (55, 370968932), (92, 221774905), (94, 217056290), (110, 185484466), (115, 177419924), (188, 108528145), (220, 92742233), (230, 88709962), (235, 86822516), (253, 80645420), (460, 44354981), (470, 43411258), (506, 40322710), (517, 39464780), (940, 21705629), (1012, 20161355), (1034, 19732390), (1081, 18874460), (1265, 16129084), (2068, 9866195), (2162, 9437230), (2530, 8064542), (2585, 7892956), (4324, 4718615), (5060, 4032271), (5170, 3946478), (5405, 3774892), (10340, 1973239), (10810, 1887446), (11891, 1715860), (21620, 943723), (23782, 857930), (47564, 428965), (59455, 343172), (85793, 237820), (118910, 171586)]