20154883815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{150247}}^1$

素因数の和:150540

約数の個数: 48

約数和(自身を含む): 38251938816

約数和(自身を除く): 18097055001

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 271, 495, 813, 1355, 2439, 2981, 4065, 8943, 12195, 14905, 26829, 44715, 134145, 150247, 450741, 751235, 1352223, 1652717, 2253705, 4958151, 6761115, 8263585, 14874453, 24790755, 40716937, 74372265, 122150811, 203584685, 366452433, 447886307, 610754055, 1343658921, 1832262165, 2239431535, 4030976763, 6718294605, 20154883815]

約数ペア:

[(1, 20154883815), (3, 6718294605), (5, 4030976763), (9, 2239431535), (11, 1832262165), (15, 1343658921), (33, 610754055), (45, 447886307), (55, 366452433), (99, 203584685), (165, 122150811), (271, 74372265), (495, 40716937), (813, 24790755), (1355, 14874453), (2439, 8263585), (2981, 6761115), (4065, 4958151), (8943, 2253705), (12195, 1652717), (14905, 1352223), (26829, 751235), (44715, 450741), (134145, 150247)]