20120853885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{4651}}^1$

素因数の和:4994

約数の個数: 64

約数和(自身を含む): 35563014144

約数和(自身を除く): 15442160259

約数列:

[1, 3, 5, 11, 15, 33, 55, 157, 165, 167, 471, 501, 785, 835, 1727, 1837, 2355, 2505, 4651, 5181, 5511, 8635, 9185, 13953, 23255, 25905, 26219, 27555, 51161, 69765, 78657, 131095, 153483, 255805, 288409, 393285, 730207, 767415, 776717, 865227, 1442045, 2190621, 2330151, 3651035, 3883585, 4326135, 8032277, 8543887, 10953105, 11650755, 24096831, 25631661, 40161385, 42719435, 120484155, 121944569, 128158305, 365833707, 609722845, 1341390259, 1829168535, 4024170777, 6706951295, 20120853885]

約数ペア:

[(1, 20120853885), (3, 6706951295), (5, 4024170777), (11, 1829168535), (15, 1341390259), (33, 609722845), (55, 365833707), (157, 128158305), (165, 121944569), (167, 120484155), (471, 42719435), (501, 40161385), (785, 25631661), (835, 24096831), (1727, 11650755), (1837, 10953105), (2355, 8543887), (2505, 8032277), (4651, 4326135), (5181, 3883585), (5511, 3651035), (8635, 2330151), (9185, 2190621), (13953, 1442045), (23255, 865227), (25905, 776717), (26219, 767415), (27555, 730207), (51161, 393285), (69765, 288409), (78657, 255805), (131095, 153483)]