20344516

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 38287452

約数和(自身を除く): 17942936

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 193, 292, 361, 386, 722, 772, 1387, 1444, 2774, 3667, 5548, 7334, 14089, 14668, 26353, 28178, 52706, 56356, 69673, 105412, 139346, 267691, 278692, 535382, 1070764, 5086129, 10172258, 20344516]

約数ペア:

[(1, 20344516), (2, 10172258), (4, 5086129), (19, 1070764), (38, 535382), (73, 278692), (76, 267691), (146, 139346), (193, 105412), (292, 69673), (361, 56356), (386, 52706), (722, 28178), (772, 26353), (1387, 14668), (1444, 14089), (2774, 7334), (3667, 5548)]