20070512

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1481}}^1$

素因数の和:1518

約数の個数: 60

約数和(自身を含む): 48882288

約数和(自身を除く): 28811776

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1481, 1694, 1936, 2962, 3388, 5924, 6776, 10367, 11848, 13552, 16291, 20734, 23696, 32582, 41468, 65164, 82936, 114037, 130328, 165872, 179201, 228074, 260656, 358402, 456148, 716804, 912296, 1254407, 1433608, 1824592, 2508814, 2867216, 5017628, 10035256, 20070512]

約数ペア:

[(1, 20070512), (2, 10035256), (4, 5017628), (7, 2867216), (8, 2508814), (11, 1824592), (14, 1433608), (16, 1254407), (22, 912296), (28, 716804), (44, 456148), (56, 358402), (77, 260656), (88, 228074), (112, 179201), (121, 165872), (154, 130328), (176, 114037), (242, 82936), (308, 65164), (484, 41468), (616, 32582), (847, 23696), (968, 20734), (1232, 16291), (1481, 13552), (1694, 11848), (1936, 10367), (2962, 6776), (3388, 5924)]