20061104

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 47044608

約数和(自身を除く): 26983504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 47, 56, 74, 94, 103, 112, 148, 188, 206, 259, 296, 329, 376, 412, 518, 592, 658, 721, 752, 824, 1036, 1316, 1442, 1648, 1739, 2072, 2632, 2884, 3478, 3811, 4144, 4841, 5264, 5768, 6956, 7622, 9682, 11536, 12173, 13912, 15244, 19364, 24346, 26677, 27824, 30488, 33887, 38728, 48692, 53354, 60976, 67774, 77456, 97384, 106708, 135548, 179117, 194768, 213416, 271096, 358234, 426832, 542192, 716468, 1253819, 1432936, 2507638, 2865872, 5015276, 10030552, 20061104]

約数ペア:

[(1, 20061104), (2, 10030552), (4, 5015276), (7, 2865872), (8, 2507638), (14, 1432936), (16, 1253819), (28, 716468), (37, 542192), (47, 426832), (56, 358234), (74, 271096), (94, 213416), (103, 194768), (112, 179117), (148, 135548), (188, 106708), (206, 97384), (259, 77456), (296, 67774), (329, 60976), (376, 53354), (412, 48692), (518, 38728), (592, 33887), (658, 30488), (721, 27824), (752, 26677), (824, 24346), (1036, 19364), (1316, 15244), (1442, 13912), (1648, 12173), (1739, 11536), (2072, 9682), (2632, 7622), (2884, 6956), (3478, 5768), (3811, 5264), (4144, 4841)]