20896764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 58490880

約数和(自身を除く): 37594116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 67, 79, 84, 94, 134, 141, 158, 188, 201, 237, 268, 282, 316, 329, 402, 469, 474, 553, 564, 658, 804, 938, 948, 987, 1106, 1316, 1407, 1659, 1876, 1974, 2212, 2814, 3149, 3318, 3713, 3948, 5293, 5628, 6298, 6636, 7426, 9447, 10586, 11139, 12596, 14852, 15879, 18894, 21172, 22043, 22278, 25991, 31758, 37051, 37788, 44086, 44556, 51982, 63516, 66129, 74102, 77973, 88172, 103964, 111153, 132258, 148204, 155946, 222306, 248771, 264516, 311892, 444612, 497542, 746313, 995084, 1492626, 1741397, 2985252, 3482794, 5224191, 6965588, 10448382, 20896764]

約数ペア:

[(1, 20896764), (2, 10448382), (3, 6965588), (4, 5224191), (6, 3482794), (7, 2985252), (12, 1741397), (14, 1492626), (21, 995084), (28, 746313), (42, 497542), (47, 444612), (67, 311892), (79, 264516), (84, 248771), (94, 222306), (134, 155946), (141, 148204), (158, 132258), (188, 111153), (201, 103964), (237, 88172), (268, 77973), (282, 74102), (316, 66129), (329, 63516), (402, 51982), (469, 44556), (474, 44086), (553, 37788), (564, 37051), (658, 31758), (804, 25991), (938, 22278), (948, 22043), (987, 21172), (1106, 18894), (1316, 15879), (1407, 14852), (1659, 12596), (1876, 11139), (1974, 10586), (2212, 9447), (2814, 7426), (3149, 6636), (3318, 6298), (3713, 5628), (3948, 5293)]