20201698100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1531}}^1\times {\mathrm{5737}}^1$

素因数の和:7305

約数の個数: 72

約数和(自身を含む): 45781528128

約数和(自身を除く): 25579830028

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 1531, 2300, 3062, 5737, 6124, 7655, 11474, 15310, 22948, 28685, 30620, 35213, 38275, 57370, 70426, 76550, 114740, 131951, 140852, 143425, 153100, 176065, 263902, 286850, 352130, 527804, 573700, 659755, 704260, 880325, 1319510, 1760650, 2639020, 3298775, 3521300, 6597550, 8783347, 13195100, 17566694, 35133388, 43916735, 87833470, 175666940, 202016981, 219583675, 404033962, 439167350, 808067924, 878334700, 1010084905, 2020169810, 4040339620, 5050424525, 10100849050, 20201698100]

約数ペア:

[(1, 20201698100), (2, 10100849050), (4, 5050424525), (5, 4040339620), (10, 2020169810), (20, 1010084905), (23, 878334700), (25, 808067924), (46, 439167350), (50, 404033962), (92, 219583675), (100, 202016981), (115, 175666940), (230, 87833470), (460, 43916735), (575, 35133388), (1150, 17566694), (1531, 13195100), (2300, 8783347), (3062, 6597550), (5737, 3521300), (6124, 3298775), (7655, 2639020), (11474, 1760650), (15310, 1319510), (22948, 880325), (28685, 704260), (30620, 659755), (35213, 573700), (38275, 527804), (57370, 352130), (70426, 286850), (76550, 263902), (114740, 176065), (131951, 153100), (140852, 143425)]