20165395212

素因数分解:

$2^2\times 3^2\times {\mathrm{991}}^1\times {\mathrm{565237}}^1$

素因数の和:566238

約数の個数: 36

約数和(自身を含む): 51025164736

約数和(自身を除く): 30859769524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 991, 1982, 2973, 3964, 5946, 8919, 11892, 17838, 35676, 565237, 1130474, 1695711, 2260948, 3391422, 5087133, 6782844, 10174266, 20348532, 560149867, 1120299734, 1680449601, 2240599468, 3360899202, 5041348803, 6721798404, 10082697606, 20165395212]

約数ペア:

[(1, 20165395212), (2, 10082697606), (3, 6721798404), (4, 5041348803), (6, 3360899202), (9, 2240599468), (12, 1680449601), (18, 1120299734), (36, 560149867), (991, 20348532), (1982, 10174266), (2973, 6782844), (3964, 5087133), (5946, 3391422), (8919, 2260948), (11892, 1695711), (17838, 1130474), (35676, 565237)]