20947872

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 40015968

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 83, 88, 96, 132, 166, 176, 239, 249, 264, 332, 352, 478, 498, 528, 664, 717, 913, 956, 996, 1056, 1328, 1434, 1826, 1912, 1992, 2629, 2656, 2739, 2868, 3652, 3824, 3984, 5258, 5478, 5736, 7304, 7648, 7887, 7968, 10516, 10956, 11472, 14608, 15774, 19837, 21032, 21912, 22944, 29216, 31548, 39674, 42064, 43824, 59511, 63096, 79348, 84128, 87648, 119022, 126192, 158696, 218207, 238044, 252384, 317392, 436414, 476088, 634784, 654621, 872828, 952176, 1309242, 1745656, 1904352, 2618484, 3491312, 5236968, 6982624, 10473936, 20947872]

約数ペア:

[(1, 20947872), (2, 10473936), (3, 6982624), (4, 5236968), (6, 3491312), (8, 2618484), (11, 1904352), (12, 1745656), (16, 1309242), (22, 952176), (24, 872828), (32, 654621), (33, 634784), (44, 476088), (48, 436414), (66, 317392), (83, 252384), (88, 238044), (96, 218207), (132, 158696), (166, 126192), (176, 119022), (239, 87648), (249, 84128), (264, 79348), (332, 63096), (352, 59511), (478, 43824), (498, 42064), (528, 39674), (664, 31548), (717, 29216), (913, 22944), (956, 21912), (996, 21032), (1056, 19837), (1328, 15774), (1434, 14608), (1826, 11472), (1912, 10956), (1992, 10516), (2629, 7968), (2656, 7887), (2739, 7648), (2868, 7304), (3652, 5736), (3824, 5478), (3984, 5258)]