20555568

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:727

約数の個数: 120

約数和(自身を含む): 66156480

約数和(自身を除く): 45600912

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 33, 36, 38, 44, 48, 57, 66, 72, 76, 88, 99, 114, 132, 144, 152, 171, 176, 198, 209, 228, 264, 304, 342, 396, 418, 456, 528, 627, 683, 684, 792, 836, 912, 1254, 1366, 1368, 1584, 1672, 1881, 2049, 2508, 2732, 2736, 3344, 3762, 4098, 5016, 5464, 6147, 7513, 7524, 8196, 10032, 10928, 12294, 12977, 15026, 15048, 16392, 22539, 24588, 25954, 30052, 30096, 32784, 38931, 45078, 49176, 51908, 60104, 67617, 77862, 90156, 98352, 103816, 116793, 120208, 135234, 142747, 155724, 180312, 207632, 233586, 270468, 285494, 311448, 360624, 428241, 467172, 540936, 570988, 622896, 856482, 934344, 1081872, 1141976, 1284723, 1712964, 1868688, 2283952, 2569446, 3425928, 5138892, 6851856, 10277784, 20555568]

約数ペア:

[(1, 20555568), (2, 10277784), (3, 6851856), (4, 5138892), (6, 3425928), (8, 2569446), (9, 2283952), (11, 1868688), (12, 1712964), (16, 1284723), (18, 1141976), (19, 1081872), (22, 934344), (24, 856482), (33, 622896), (36, 570988), (38, 540936), (44, 467172), (48, 428241), (57, 360624), (66, 311448), (72, 285494), (76, 270468), (88, 233586), (99, 207632), (114, 180312), (132, 155724), (144, 142747), (152, 135234), (171, 120208), (176, 116793), (198, 103816), (209, 98352), (228, 90156), (264, 77862), (304, 67617), (342, 60104), (396, 51908), (418, 49176), (456, 45078), (528, 38931), (627, 32784), (683, 30096), (684, 30052), (792, 25954), (836, 24588), (912, 22539), (1254, 16392), (1366, 15048), (1368, 15026), (1584, 12977), (1672, 12294), (1881, 10928), (2049, 10032), (2508, 8196), (2732, 7524), (2736, 7513), (3344, 6147), (3762, 5464), (4098, 5016)]