20304564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 57200640

約数和(自身を除く): 36896076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 47, 74, 84, 94, 111, 139, 141, 148, 188, 222, 259, 278, 282, 329, 417, 444, 518, 556, 564, 658, 777, 834, 973, 987, 1036, 1316, 1554, 1668, 1739, 1946, 1974, 2919, 3108, 3478, 3892, 3948, 5143, 5217, 5838, 6533, 6956, 10286, 10434, 11676, 12173, 13066, 15429, 19599, 20572, 20868, 24346, 26132, 30858, 36001, 36519, 39198, 45731, 48692, 61716, 72002, 73038, 78396, 91462, 108003, 137193, 144004, 146076, 182924, 216006, 241721, 274386, 432012, 483442, 548772, 725163, 966884, 1450326, 1692047, 2900652, 3384094, 5076141, 6768188, 10152282, 20304564]

約数ペア:

[(1, 20304564), (2, 10152282), (3, 6768188), (4, 5076141), (6, 3384094), (7, 2900652), (12, 1692047), (14, 1450326), (21, 966884), (28, 725163), (37, 548772), (42, 483442), (47, 432012), (74, 274386), (84, 241721), (94, 216006), (111, 182924), (139, 146076), (141, 144004), (148, 137193), (188, 108003), (222, 91462), (259, 78396), (278, 73038), (282, 72002), (329, 61716), (417, 48692), (444, 45731), (518, 39198), (556, 36519), (564, 36001), (658, 30858), (777, 26132), (834, 24346), (973, 20868), (987, 20572), (1036, 19599), (1316, 15429), (1554, 13066), (1668, 12173), (1739, 11676), (1946, 10434), (1974, 10286), (2919, 6956), (3108, 6533), (3478, 5838), (3892, 5217), (3948, 5143)]