20198666740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1\times {\mathrm{2833}}^1$

素因数の和:3377

約数の個数: 96

約数和(自身を含む): 48997638144

約数和(自身を除く): 28798971404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 401, 508, 635, 802, 889, 1270, 1604, 1778, 2005, 2540, 2807, 2833, 3556, 4010, 4445, 5614, 5666, 8020, 8890, 11228, 11332, 14035, 14165, 17780, 19831, 28070, 28330, 39662, 50927, 56140, 56660, 79324, 99155, 101854, 198310, 203708, 254635, 356489, 359791, 396620, 509270, 712978, 719582, 1018540, 1136033, 1425956, 1439164, 1782445, 1798955, 2272066, 2518537, 3564890, 3597910, 4544132, 5037074, 5680165, 7129780, 7195820, 7952231, 10074148, 11360330, 12592685, 15904462, 22720660, 25185370, 31808924, 39761155, 50370740, 79522310, 144276191, 159044620, 288552382, 577104764, 721380955, 1009933337, 1442761910, 2019866674, 2885523820, 4039733348, 5049666685, 10099333370, 20198666740]

約数ペア:

[(1, 20198666740), (2, 10099333370), (4, 5049666685), (5, 4039733348), (7, 2885523820), (10, 2019866674), (14, 1442761910), (20, 1009933337), (28, 721380955), (35, 577104764), (70, 288552382), (127, 159044620), (140, 144276191), (254, 79522310), (401, 50370740), (508, 39761155), (635, 31808924), (802, 25185370), (889, 22720660), (1270, 15904462), (1604, 12592685), (1778, 11360330), (2005, 10074148), (2540, 7952231), (2807, 7195820), (2833, 7129780), (3556, 5680165), (4010, 5037074), (4445, 4544132), (5614, 3597910), (5666, 3564890), (8020, 2518537), (8890, 2272066), (11228, 1798955), (11332, 1782445), (14035, 1439164), (14165, 1425956), (17780, 1136033), (19831, 1018540), (28070, 719582), (28330, 712978), (39662, 509270), (50927, 396620), (56140, 359791), (56660, 356489), (79324, 254635), (99155, 203708), (101854, 198310)]