20105472

素因数分解:

$2^8\times 3^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 54746496

約数和(自身を除く): 34641024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 188, 192, 256, 282, 376, 384, 557, 564, 752, 768, 1114, 1128, 1504, 1671, 2228, 2256, 3008, 3342, 4456, 4512, 6016, 6684, 8912, 9024, 12032, 13368, 17824, 18048, 26179, 26736, 35648, 36096, 52358, 53472, 71296, 78537, 104716, 106944, 142592, 157074, 209432, 213888, 314148, 418864, 427776, 628296, 837728, 1256592, 1675456, 2513184, 3350912, 5026368, 6701824, 10052736, 20105472]

約数ペア:

[(1, 20105472), (2, 10052736), (3, 6701824), (4, 5026368), (6, 3350912), (8, 2513184), (12, 1675456), (16, 1256592), (24, 837728), (32, 628296), (47, 427776), (48, 418864), (64, 314148), (94, 213888), (96, 209432), (128, 157074), (141, 142592), (188, 106944), (192, 104716), (256, 78537), (282, 71296), (376, 53472), (384, 52358), (557, 36096), (564, 35648), (752, 26736), (768, 26179), (1114, 18048), (1128, 17824), (1504, 13368), (1671, 12032), (2228, 9024), (2256, 8912), (3008, 6684), (3342, 6016), (4456, 4512)]