20315502

素因数分解:

$2^1\times 3^3\times {\mathrm{211}}^1\times {\mathrm{1783}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 45384960

約数和(自身を除く): 25069458

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 211, 422, 633, 1266, 1783, 1899, 3566, 3798, 5349, 5697, 10698, 11394, 16047, 32094, 48141, 96282, 376213, 752426, 1128639, 2257278, 3385917, 6771834, 10157751, 20315502]

約数ペア:

[(1, 20315502), (2, 10157751), (3, 6771834), (6, 3385917), (9, 2257278), (18, 1128639), (27, 752426), (54, 376213), (211, 96282), (422, 48141), (633, 32094), (1266, 16047), (1783, 11394), (1899, 10698), (3566, 5697), (3798, 5349)]