16812380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64663}}^1$

素因数の和:64685

約数の個数: 24

約数和(自身を含む): 38022432

約数和(自身を除く): 21210052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64663, 129326, 258652, 323315, 646630, 840619, 1293260, 1681238, 3362476, 4203095, 8406190, 16812380]

約数ペア:

[(1, 16812380), (2, 8406190), (4, 4203095), (5, 3362476), (10, 1681238), (13, 1293260), (20, 840619), (26, 646630), (52, 323315), (65, 258652), (130, 129326), (260, 64663)]