20343837890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1951}}^1\times {\mathrm{54881}}^1$

素因数の和:56858

約数の個数: 32

約数和(自身を含む): 38566679040

約数和(自身を除く): 18222841150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1951, 3902, 9755, 19510, 37069, 54881, 74138, 109762, 185345, 274405, 370690, 548810, 1042739, 2085478, 5213695, 10427390, 107072831, 214145662, 535364155, 1070728310, 2034383789, 4068767578, 10171918945, 20343837890]

約数ペア:

[(1, 20343837890), (2, 10171918945), (5, 4068767578), (10, 2034383789), (19, 1070728310), (38, 535364155), (95, 214145662), (190, 107072831), (1951, 10427390), (3902, 5213695), (9755, 2085478), (19510, 1042739), (37069, 548810), (54881, 370690), (74138, 274405), (109762, 185345)]