20650740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 64157184

約数和(自身を除く): 43506444

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 67, 110, 132, 134, 165, 201, 220, 268, 330, 335, 402, 467, 660, 670, 737, 804, 934, 1005, 1340, 1401, 1474, 1868, 2010, 2211, 2335, 2802, 2948, 3685, 4020, 4422, 4670, 5137, 5604, 7005, 7370, 8844, 9340, 10274, 11055, 14010, 14740, 15411, 20548, 22110, 25685, 28020, 30822, 31289, 44220, 51370, 61644, 62578, 77055, 93867, 102740, 125156, 154110, 156445, 187734, 308220, 312890, 344179, 375468, 469335, 625780, 688358, 938670, 1032537, 1376716, 1720895, 1877340, 2065074, 3441790, 4130148, 5162685, 6883580, 10325370, 20650740]

約数ペア:

[(1, 20650740), (2, 10325370), (3, 6883580), (4, 5162685), (5, 4130148), (6, 3441790), (10, 2065074), (11, 1877340), (12, 1720895), (15, 1376716), (20, 1032537), (22, 938670), (30, 688358), (33, 625780), (44, 469335), (55, 375468), (60, 344179), (66, 312890), (67, 308220), (110, 187734), (132, 156445), (134, 154110), (165, 125156), (201, 102740), (220, 93867), (268, 77055), (330, 62578), (335, 61644), (402, 51370), (467, 44220), (660, 31289), (670, 30822), (737, 28020), (804, 25685), (934, 22110), (1005, 20548), (1340, 15411), (1401, 14740), (1474, 14010), (1868, 11055), (2010, 10274), (2211, 9340), (2335, 8844), (2802, 7370), (2948, 7005), (3685, 5604), (4020, 5137), (4422, 4670)]