20407380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48589}}^1$

素因数の和:48608

約数の個数: 48

約数和(自身を含む): 65304960

約数和(自身を除く): 44897580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48589, 97178, 145767, 194356, 242945, 291534, 340123, 485890, 583068, 680246, 728835, 971780, 1020369, 1360492, 1457670, 1700615, 2040738, 2915340, 3401230, 4081476, 5101845, 6802460, 10203690, 20407380]

約数ペア:

[(1, 20407380), (2, 10203690), (3, 6802460), (4, 5101845), (5, 4081476), (6, 3401230), (7, 2915340), (10, 2040738), (12, 1700615), (14, 1457670), (15, 1360492), (20, 1020369), (21, 971780), (28, 728835), (30, 680246), (35, 583068), (42, 485890), (60, 340123), (70, 291534), (84, 242945), (105, 194356), (140, 145767), (210, 97178), (420, 48589)]