20113890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39439}}^1$

素因数の和:39466

約数の個数: 32

約数和(自身を含む): 51114240

約数和(自身を除く): 31000350

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 39439, 78878, 118317, 197195, 236634, 394390, 591585, 670463, 1183170, 1340926, 2011389, 3352315, 4022778, 6704630, 10056945, 20113890]

約数ペア:

[(1, 20113890), (2, 10056945), (3, 6704630), (5, 4022778), (6, 3352315), (10, 2011389), (15, 1340926), (17, 1183170), (30, 670463), (34, 591585), (51, 394390), (85, 236634), (102, 197195), (170, 118317), (255, 78878), (510, 39439)]