20893530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2689}}^1$

素因数の和:2743

約数の個数: 64

約数和(自身を含む): 58878720

約数和(自身を除く): 37985190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 2689, 3885, 5378, 7770, 8067, 13445, 16134, 18823, 26890, 37646, 40335, 56469, 80670, 94115, 99493, 112938, 188230, 198986, 282345, 298479, 497465, 564690, 596958, 696451, 994930, 1392902, 1492395, 2089353, 2984790, 3482255, 4178706, 6964510, 10446765, 20893530]

約数ペア:

[(1, 20893530), (2, 10446765), (3, 6964510), (5, 4178706), (6, 3482255), (7, 2984790), (10, 2089353), (14, 1492395), (15, 1392902), (21, 994930), (30, 696451), (35, 596958), (37, 564690), (42, 497465), (70, 298479), (74, 282345), (105, 198986), (111, 188230), (185, 112938), (210, 99493), (222, 94115), (259, 80670), (370, 56469), (518, 40335), (555, 37646), (777, 26890), (1110, 18823), (1295, 16134), (1554, 13445), (2590, 8067), (2689, 7770), (3885, 5378)]