20164538709

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{853}}^1$

素因数の和:1144

約数の個数: 128

約数和(自身を含む): 37384704000

約数和(自身を除く): 17220165291

約数列:

[1, 3, 7, 9, 19, 21, 27, 29, 57, 63, 87, 133, 171, 189, 203, 227, 261, 399, 513, 551, 609, 681, 783, 853, 1197, 1589, 1653, 1827, 2043, 2559, 3591, 3857, 4313, 4767, 4959, 5481, 5971, 6129, 6583, 7677, 11571, 12939, 14301, 14877, 16207, 17913, 19749, 23031, 24737, 30191, 34713, 38817, 42903, 46081, 48621, 53739, 59247, 74211, 90573, 104139, 113449, 116451, 125077, 138243, 145863, 161217, 173159, 177741, 193631, 222633, 271719, 340347, 375231, 414729, 437589, 470003, 519477, 580893, 667899, 815157, 875539, 1021041, 1125693, 1244187, 1355417, 1410009, 1558431, 1742679, 2626617, 3063123, 3290021, 3377079, 3678989, 4066251, 4230027, 4675293, 5228037, 5615299, 7879851, 9870063, 11036967, 12198753, 12690081, 16845897, 23639553, 25752923, 29610189, 33110901, 36596259, 39307093, 50537691, 77258769, 88830567, 99332703, 106690681, 117921279, 151613073, 231776307, 320072043, 353763837, 695328921, 746834767, 960216129, 1061291511, 2240504301, 2880648387, 6721512903, 20164538709]

約数ペア:

[(1, 20164538709), (3, 6721512903), (7, 2880648387), (9, 2240504301), (19, 1061291511), (21, 960216129), (27, 746834767), (29, 695328921), (57, 353763837), (63, 320072043), (87, 231776307), (133, 151613073), (171, 117921279), (189, 106690681), (203, 99332703), (227, 88830567), (261, 77258769), (399, 50537691), (513, 39307093), (551, 36596259), (609, 33110901), (681, 29610189), (783, 25752923), (853, 23639553), (1197, 16845897), (1589, 12690081), (1653, 12198753), (1827, 11036967), (2043, 9870063), (2559, 7879851), (3591, 5615299), (3857, 5228037), (4313, 4675293), (4767, 4230027), (4959, 4066251), (5481, 3678989), (5971, 3377079), (6129, 3290021), (6583, 3063123), (7677, 2626617), (11571, 1742679), (12939, 1558431), (14301, 1410009), (14877, 1355417), (16207, 1244187), (17913, 1125693), (19749, 1021041), (23031, 875539), (24737, 815157), (30191, 667899), (34713, 580893), (38817, 519477), (42903, 470003), (46081, 437589), (48621, 414729), (53739, 375231), (59247, 340347), (74211, 271719), (90573, 222633), (104139, 193631), (113449, 177741), (116451, 173159), (125077, 161217), (138243, 145863)]