20221656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 43645224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 47, 52, 56, 78, 84, 91, 94, 104, 141, 156, 168, 182, 188, 197, 273, 282, 312, 329, 364, 376, 394, 546, 564, 591, 611, 658, 728, 788, 987, 1092, 1128, 1182, 1222, 1316, 1379, 1576, 1833, 1974, 2184, 2364, 2444, 2561, 2632, 2758, 3666, 3948, 4137, 4277, 4728, 4888, 5122, 5516, 7332, 7683, 7896, 8274, 8554, 9259, 10244, 11032, 12831, 14664, 15366, 16548, 17108, 17927, 18518, 20488, 25662, 27777, 30732, 33096, 34216, 35854, 37036, 51324, 53781, 55554, 61464, 64813, 71708, 74072, 102648, 107562, 111108, 120367, 129626, 143416, 194439, 215124, 222216, 240734, 259252, 361101, 388878, 430248, 481468, 518504, 722202, 777756, 842569, 962936, 1444404, 1555512, 1685138, 2527707, 2888808, 3370276, 5055414, 6740552, 10110828, 20221656]

約数ペア:

[(1, 20221656), (2, 10110828), (3, 6740552), (4, 5055414), (6, 3370276), (7, 2888808), (8, 2527707), (12, 1685138), (13, 1555512), (14, 1444404), (21, 962936), (24, 842569), (26, 777756), (28, 722202), (39, 518504), (42, 481468), (47, 430248), (52, 388878), (56, 361101), (78, 259252), (84, 240734), (91, 222216), (94, 215124), (104, 194439), (141, 143416), (156, 129626), (168, 120367), (182, 111108), (188, 107562), (197, 102648), (273, 74072), (282, 71708), (312, 64813), (329, 61464), (364, 55554), (376, 53781), (394, 51324), (546, 37036), (564, 35854), (591, 34216), (611, 33096), (658, 30732), (728, 27777), (788, 25662), (987, 20488), (1092, 18518), (1128, 17927), (1182, 17108), (1222, 16548), (1316, 15366), (1379, 14664), (1576, 12831), (1833, 11032), (1974, 10244), (2184, 9259), (2364, 8554), (2444, 8274), (2561, 7896), (2632, 7683), (2758, 7332), (3666, 5516), (3948, 5122), (4137, 4888), (4277, 4728)]