20347574468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20594711}}^1$

素因数の和:20594747

約数の個数: 24

約数和(自身を含む): 40365635520

約数和(自身を除く): 20018061052

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20594711, 41189422, 82378844, 267731243, 391299509, 535462486, 782599018, 1070924972, 1565198036, 5086893617, 10173787234, 20347574468]

約数ペア:

[(1, 20347574468), (2, 10173787234), (4, 5086893617), (13, 1565198036), (19, 1070924972), (26, 782599018), (38, 535462486), (52, 391299509), (76, 267731243), (247, 82378844), (494, 41189422), (988, 20594711)]