16980970

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 31752000

約数和(自身を除く): 14771030

約数列:

[1, 2, 5, 10, 41, 82, 83, 166, 205, 410, 415, 499, 830, 998, 2495, 3403, 4990, 6806, 17015, 20459, 34030, 40918, 41417, 82834, 102295, 204590, 207085, 414170, 1698097, 3396194, 8490485, 16980970]

約数ペア:

[(1, 16980970), (2, 8490485), (5, 3396194), (10, 1698097), (41, 414170), (82, 207085), (83, 204590), (166, 102295), (205, 82834), (410, 41417), (415, 40918), (499, 34030), (830, 20459), (998, 17015), (2495, 6806), (3403, 4990)]