20289585

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 34618752

約数和(自身を除く): 14329167

約数列:

[1, 3, 5, 15, 17, 51, 85, 251, 255, 317, 753, 951, 1255, 1585, 3765, 4267, 4755, 5389, 12801, 16167, 21335, 26945, 64005, 79567, 80835, 238701, 397835, 1193505, 1352639, 4057917, 6763195, 20289585]

約数ペア:

[(1, 20289585), (3, 6763195), (5, 4057917), (15, 1352639), (17, 1193505), (51, 397835), (85, 238701), (251, 80835), (255, 79567), (317, 64005), (753, 26945), (951, 21335), (1255, 16167), (1585, 12801), (3765, 5389), (4267, 4755)]