20001432

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 54950400

約数和(自身を除く): 34948968

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 239, 264, 317, 478, 634, 717, 951, 956, 1268, 1434, 1902, 1912, 2536, 2629, 2868, 3487, 3804, 5258, 5736, 6974, 7608, 7887, 10461, 10516, 13948, 15774, 20922, 21032, 27896, 31548, 41844, 63096, 75763, 83688, 151526, 227289, 303052, 454578, 606104, 833393, 909156, 1666786, 1818312, 2500179, 3333572, 5000358, 6667144, 10000716, 20001432]

約数ペア:

[(1, 20001432), (2, 10000716), (3, 6667144), (4, 5000358), (6, 3333572), (8, 2500179), (11, 1818312), (12, 1666786), (22, 909156), (24, 833393), (33, 606104), (44, 454578), (66, 303052), (88, 227289), (132, 151526), (239, 83688), (264, 75763), (317, 63096), (478, 41844), (634, 31548), (717, 27896), (951, 21032), (956, 20922), (1268, 15774), (1434, 13948), (1902, 10516), (1912, 10461), (2536, 7887), (2629, 7608), (2868, 6974), (3487, 5736), (3804, 5258)]