20131860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47933}}^1$

素因数の和:47952

約数の個数: 48

約数和(自身を含む): 64423296

約数和(自身を除く): 44291436

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, 47933, 95866, 143799, 191732, 239665, 287598, 335531, 479330, 575196, 671062, 718995, 958660, 1006593, 1342124, 1437990, 1677655, 2013186, 2875980, 3355310, 4026372, 5032965, 6710620, 10065930, 20131860]

約数ペア:

[(1, 20131860), (2, 10065930), (3, 6710620), (4, 5032965), (5, 4026372), (6, 3355310), (7, 2875980), (10, 2013186), (12, 1677655), (14, 1437990), (15, 1342124), (20, 1006593), (21, 958660), (28, 718995), (30, 671062), (35, 575196), (42, 479330), (60, 335531), (70, 287598), (84, 239665), (105, 191732), (140, 143799), (210, 95866), (420, 47933)]