20534996890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{367}}^1\times {\mathrm{929}}^1$

素因数の和:1639

約数の個数: 64

約数和(自身を含む): 39179635200

約数和(自身を除く): 18644638310

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 317, 367, 634, 734, 929, 1585, 1835, 1858, 3170, 3670, 4645, 6023, 6973, 9290, 12046, 13946, 17651, 30115, 34865, 35302, 60230, 69730, 88255, 116339, 176510, 232678, 294493, 340943, 581695, 588986, 681886, 1163390, 1472465, 1704715, 2210441, 2944930, 3409430, 4420882, 5595367, 6477917, 11052205, 11190734, 12955834, 22104410, 27976835, 32389585, 55953670, 64779170, 108078931, 216157862, 540394655, 1080789310, 2053499689, 4106999378, 10267498445, 20534996890]

約数ペア:

[(1, 20534996890), (2, 10267498445), (5, 4106999378), (10, 2053499689), (19, 1080789310), (38, 540394655), (95, 216157862), (190, 108078931), (317, 64779170), (367, 55953670), (634, 32389585), (734, 27976835), (929, 22104410), (1585, 12955834), (1835, 11190734), (1858, 11052205), (3170, 6477917), (3670, 5595367), (4645, 4420882), (6023, 3409430), (6973, 2944930), (9290, 2210441), (12046, 1704715), (13946, 1472465), (17651, 1163390), (30115, 681886), (34865, 588986), (35302, 581695), (60230, 340943), (69730, 294493), (88255, 232678), (116339, 176510)]