20187738

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{21991}}^1$

素因数の和:22019

約数の個数: 32

約数和(自身を含む): 47502720

約数和(自身を除く): 27314982

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 21991, 43982, 65973, 131946, 197919, 373847, 395838, 593757, 747694, 1121541, 1187514, 2243082, 3364623, 6729246, 10093869, 20187738]

約数ペア:

[(1, 20187738), (2, 10093869), (3, 6729246), (6, 3364623), (9, 2243082), (17, 1187514), (18, 1121541), (27, 747694), (34, 593757), (51, 395838), (54, 373847), (102, 197919), (153, 131946), (306, 65973), (459, 43982), (918, 21991)]