20573580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18047}}^1$

素因数の和:18078

約数の個数: 48

約数和(自身を含む): 60641280

約数和(自身を除く): 40067700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18047, 36094, 54141, 72188, 90235, 108282, 180470, 216564, 270705, 342893, 360940, 541410, 685786, 1028679, 1082820, 1371572, 1714465, 2057358, 3428930, 4114716, 5143395, 6857860, 10286790, 20573580]

約数ペア:

[(1, 20573580), (2, 10286790), (3, 6857860), (4, 5143395), (5, 4114716), (6, 3428930), (10, 2057358), (12, 1714465), (15, 1371572), (19, 1082820), (20, 1028679), (30, 685786), (38, 541410), (57, 360940), (60, 342893), (76, 270705), (95, 216564), (114, 180470), (190, 108282), (228, 90235), (285, 72188), (380, 54141), (570, 36094), (1140, 18047)]