20359008

素因数分解:

$2^5\times 3^2\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:556

約数の個数: 72

約数和(自身を含む): 58339008

約数和(自身を除く): 37980000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 223, 288, 317, 446, 634, 669, 892, 951, 1268, 1338, 1784, 1902, 2007, 2536, 2676, 2853, 3568, 3804, 4014, 5072, 5352, 5706, 7136, 7608, 8028, 10144, 10704, 11412, 15216, 16056, 21408, 22824, 30432, 32112, 45648, 64224, 70691, 91296, 141382, 212073, 282764, 424146, 565528, 636219, 848292, 1131056, 1272438, 1696584, 2262112, 2544876, 3393168, 5089752, 6786336, 10179504, 20359008]

約数ペア:

[(1, 20359008), (2, 10179504), (3, 6786336), (4, 5089752), (6, 3393168), (8, 2544876), (9, 2262112), (12, 1696584), (16, 1272438), (18, 1131056), (24, 848292), (32, 636219), (36, 565528), (48, 424146), (72, 282764), (96, 212073), (144, 141382), (223, 91296), (288, 70691), (317, 64224), (446, 45648), (634, 32112), (669, 30432), (892, 22824), (951, 21408), (1268, 16056), (1338, 15216), (1784, 11412), (1902, 10704), (2007, 10144), (2536, 8028), (2676, 7608), (2853, 7136), (3568, 5706), (3804, 5352), (4014, 5072)]