20029950

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 56826720

約数和(自身を除く): 36796770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 37, 45, 50, 54, 74, 75, 90, 111, 135, 150, 185, 222, 225, 270, 333, 370, 401, 450, 555, 666, 675, 802, 925, 999, 1110, 1203, 1350, 1665, 1850, 1998, 2005, 2406, 2775, 3330, 3609, 4010, 4995, 5550, 6015, 7218, 8325, 9990, 10025, 10827, 12030, 14837, 16650, 18045, 20050, 21654, 24975, 29674, 30075, 36090, 44511, 49950, 54135, 60150, 74185, 89022, 90225, 108270, 133533, 148370, 180450, 222555, 267066, 270675, 370925, 400599, 445110, 541350, 667665, 741850, 801198, 1112775, 1335330, 2002995, 2225550, 3338325, 4005990, 6676650, 10014975, 20029950]

約数ペア:

[(1, 20029950), (2, 10014975), (3, 6676650), (5, 4005990), (6, 3338325), (9, 2225550), (10, 2002995), (15, 1335330), (18, 1112775), (25, 801198), (27, 741850), (30, 667665), (37, 541350), (45, 445110), (50, 400599), (54, 370925), (74, 270675), (75, 267066), (90, 222555), (111, 180450), (135, 148370), (150, 133533), (185, 108270), (222, 90225), (225, 89022), (270, 74185), (333, 60150), (370, 54135), (401, 49950), (450, 44511), (555, 36090), (666, 30075), (675, 29674), (802, 24975), (925, 21654), (999, 20050), (1110, 18045), (1203, 16650), (1350, 14837), (1665, 12030), (1850, 10827), (1998, 10025), (2005, 9990), (2406, 8325), (2775, 7218), (3330, 6015), (3609, 5550), (4010, 4995)]