20153646560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{60821}}^1$

素因数の和:60964

約数の個数: 96

約数和(自身を含む): 50579575200

約数和(自身を除く): 30425928640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 109, 152, 160, 190, 218, 304, 380, 436, 545, 608, 760, 872, 1090, 1520, 1744, 2071, 2180, 3040, 3488, 4142, 4360, 8284, 8720, 10355, 16568, 17440, 20710, 33136, 41420, 60821, 66272, 82840, 121642, 165680, 243284, 304105, 331360, 486568, 608210, 973136, 1155599, 1216420, 1946272, 2311198, 2432840, 4622396, 4865680, 5777995, 6629489, 9244792, 9731360, 11555990, 13258978, 18489584, 23111980, 26517956, 33147445, 36979168, 46223960, 53035912, 66294890, 92447920, 106071824, 125960291, 132589780, 184895840, 212143648, 251920582, 265179560, 503841164, 530359120, 629801455, 1007682328, 1060718240, 1259602910, 2015364656, 2519205820, 4030729312, 5038411640, 10076823280, 20153646560]

約数ペア:

[(1, 20153646560), (2, 10076823280), (4, 5038411640), (5, 4030729312), (8, 2519205820), (10, 2015364656), (16, 1259602910), (19, 1060718240), (20, 1007682328), (32, 629801455), (38, 530359120), (40, 503841164), (76, 265179560), (80, 251920582), (95, 212143648), (109, 184895840), (152, 132589780), (160, 125960291), (190, 106071824), (218, 92447920), (304, 66294890), (380, 53035912), (436, 46223960), (545, 36979168), (608, 33147445), (760, 26517956), (872, 23111980), (1090, 18489584), (1520, 13258978), (1744, 11555990), (2071, 9731360), (2180, 9244792), (3040, 6629489), (3488, 5777995), (4142, 4865680), (4360, 4622396), (8284, 2432840), (8720, 2311198), (10355, 1946272), (16568, 1216420), (17440, 1155599), (20710, 973136), (33136, 608210), (41420, 486568), (60821, 331360), (66272, 304105), (82840, 243284), (121642, 165680)]