20053208

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 46310400

約数和(自身を除く): 26257192

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 47, 56, 76, 94, 133, 152, 188, 266, 329, 376, 401, 532, 658, 802, 893, 1064, 1316, 1604, 1786, 2632, 2807, 3208, 3572, 5614, 6251, 7144, 7619, 11228, 12502, 15238, 18847, 22456, 25004, 30476, 37694, 50008, 53333, 60952, 75388, 106666, 131929, 150776, 213332, 263858, 358093, 426664, 527716, 716186, 1055432, 1432372, 2506651, 2864744, 5013302, 10026604, 20053208]

約数ペア:

[(1, 20053208), (2, 10026604), (4, 5013302), (7, 2864744), (8, 2506651), (14, 1432372), (19, 1055432), (28, 716186), (38, 527716), (47, 426664), (56, 358093), (76, 263858), (94, 213332), (133, 150776), (152, 131929), (188, 106666), (266, 75388), (329, 60952), (376, 53333), (401, 50008), (532, 37694), (658, 30476), (802, 25004), (893, 22456), (1064, 18847), (1316, 15238), (1604, 12502), (1786, 11228), (2632, 7619), (2807, 7144), (3208, 6251), (3572, 5614)]