20064730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 43425792

約数和(自身を除く): 23361062

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 61, 70, 74, 122, 127, 185, 254, 259, 305, 370, 427, 518, 610, 635, 854, 889, 1270, 1295, 1778, 2135, 2257, 2590, 4270, 4445, 4514, 4699, 7747, 8890, 9398, 11285, 15494, 15799, 22570, 23495, 31598, 32893, 38735, 46990, 54229, 65786, 77470, 78995, 108458, 157990, 164465, 271145, 286639, 328930, 542290, 573278, 1433195, 2006473, 2866390, 4012946, 10032365, 20064730]

約数ペア:

[(1, 20064730), (2, 10032365), (5, 4012946), (7, 2866390), (10, 2006473), (14, 1433195), (35, 573278), (37, 542290), (61, 328930), (70, 286639), (74, 271145), (122, 164465), (127, 157990), (185, 108458), (254, 78995), (259, 77470), (305, 65786), (370, 54229), (427, 46990), (518, 38735), (610, 32893), (635, 31598), (854, 23495), (889, 22570), (1270, 15799), (1295, 15494), (1778, 11285), (2135, 9398), (2257, 8890), (2590, 7747), (4270, 4699), (4445, 4514)]