20528208

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 160

約数和(自身を含む): 64579200

約数和(自身を除く): 44050992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 41, 48, 54, 57, 61, 72, 76, 82, 108, 114, 122, 123, 144, 152, 164, 171, 183, 216, 228, 244, 246, 304, 328, 342, 366, 369, 432, 456, 488, 492, 513, 549, 656, 684, 732, 738, 779, 912, 976, 984, 1026, 1098, 1107, 1159, 1368, 1464, 1476, 1558, 1647, 1968, 2052, 2196, 2214, 2318, 2337, 2501, 2736, 2928, 2952, 3116, 3294, 3477, 4104, 4392, 4428, 4636, 4674, 5002, 5904, 6232, 6588, 6954, 7011, 7503, 8208, 8784, 8856, 9272, 9348, 10004, 10431, 12464, 13176, 13908, 14022, 15006, 17712, 18544, 18696, 20008, 20862, 21033, 22509, 26352, 27816, 28044, 30012, 31293, 37392, 40016, 41724, 42066, 45018, 47519, 55632, 56088, 60024, 62586, 67527, 83448, 84132, 90036, 95038, 112176, 120048, 125172, 135054, 142557, 166896, 168264, 180072, 190076, 250344, 270108, 285114, 336528, 360144, 380152, 427671, 500688, 540216, 570228, 760304, 855342, 1080432, 1140456, 1283013, 1710684, 2280912, 2566026, 3421368, 5132052, 6842736, 10264104, 20528208]

約数ペア:

[(1, 20528208), (2, 10264104), (3, 6842736), (4, 5132052), (6, 3421368), (8, 2566026), (9, 2280912), (12, 1710684), (16, 1283013), (18, 1140456), (19, 1080432), (24, 855342), (27, 760304), (36, 570228), (38, 540216), (41, 500688), (48, 427671), (54, 380152), (57, 360144), (61, 336528), (72, 285114), (76, 270108), (82, 250344), (108, 190076), (114, 180072), (122, 168264), (123, 166896), (144, 142557), (152, 135054), (164, 125172), (171, 120048), (183, 112176), (216, 95038), (228, 90036), (244, 84132), (246, 83448), (304, 67527), (328, 62586), (342, 60024), (366, 56088), (369, 55632), (432, 47519), (456, 45018), (488, 42066), (492, 41724), (513, 40016), (549, 37392), (656, 31293), (684, 30012), (732, 28044), (738, 27816), (779, 26352), (912, 22509), (976, 21033), (984, 20862), (1026, 20008), (1098, 18696), (1107, 18544), (1159, 17712), (1368, 15006), (1464, 14022), (1476, 13908), (1558, 13176), (1647, 12464), (1968, 10431), (2052, 10004), (2196, 9348), (2214, 9272), (2318, 8856), (2337, 8784), (2501, 8208), (2736, 7503), (2928, 7011), (2952, 6954), (3116, 6588), (3294, 6232), (3477, 5904), (4104, 5002), (4392, 4674), (4428, 4636)]