20178027435

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{2689}}^1$

素因数の和:2956

約数の個数: 64

約数和(自身を含む): 33622848000

約数和(自身を除く): 13444820565

約数列:

[1, 3, 5, 15, 59, 61, 139, 177, 183, 295, 305, 417, 695, 885, 915, 2085, 2689, 3599, 8067, 8201, 8479, 10797, 13445, 17995, 24603, 25437, 40335, 41005, 42395, 53985, 123015, 127185, 158651, 164029, 373771, 475953, 492087, 500261, 793255, 820145, 1121313, 1500783, 1868855, 2379765, 2460435, 2501305, 5606565, 7503915, 9677711, 22052489, 22800031, 29033133, 48388555, 66157467, 68400093, 110262445, 114000155, 145165665, 330787335, 342000465, 1345201829, 4035605487, 6726009145, 20178027435]

約数ペア:

[(1, 20178027435), (3, 6726009145), (5, 4035605487), (15, 1345201829), (59, 342000465), (61, 330787335), (139, 145165665), (177, 114000155), (183, 110262445), (295, 68400093), (305, 66157467), (417, 48388555), (695, 29033133), (885, 22800031), (915, 22052489), (2085, 9677711), (2689, 7503915), (3599, 5606565), (8067, 2501305), (8201, 2460435), (8479, 2379765), (10797, 1868855), (13445, 1500783), (17995, 1121313), (24603, 820145), (25437, 793255), (40335, 500261), (41005, 492087), (42395, 475953), (53985, 373771), (123015, 164029), (127185, 158651)]