20783484

素因数分解:

$2^2\times 3^2\times {\mathrm{167}}^1\times {\mathrm{3457}}^1$

素因数の和:3634

約数の個数: 36

約数和(自身を含む): 52865904

約数和(自身を除く): 32082420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 167, 334, 501, 668, 1002, 1503, 2004, 3006, 3457, 6012, 6914, 10371, 13828, 20742, 31113, 41484, 62226, 124452, 577319, 1154638, 1731957, 2309276, 3463914, 5195871, 6927828, 10391742, 20783484]

約数ペア:

[(1, 20783484), (2, 10391742), (3, 6927828), (4, 5195871), (6, 3463914), (9, 2309276), (12, 1731957), (18, 1154638), (36, 577319), (167, 124452), (334, 62226), (501, 41484), (668, 31113), (1002, 20742), (1503, 13828), (2004, 10371), (3006, 6914), (3457, 6012)]