20237055

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1301}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 34872768

約数和(自身を除く): 14635713

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 1301, 3111, 3903, 5185, 6505, 15555, 19515, 22117, 66351, 79361, 110585, 238083, 331755, 396805, 1190415, 1349137, 4047411, 6745685, 20237055]

約数ペア:

[(1, 20237055), (3, 6745685), (5, 4047411), (15, 1349137), (17, 1190415), (51, 396805), (61, 331755), (85, 238083), (183, 110585), (255, 79361), (305, 66351), (915, 22117), (1037, 19515), (1301, 15555), (3111, 6505), (3903, 5185)]