20430236

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 36427776

約数和(自身を除く): 15997540

約数列:

[1, 2, 4, 127, 131, 254, 262, 307, 508, 524, 614, 1228, 16637, 33274, 38989, 40217, 66548, 77978, 80434, 155956, 160868, 5107559, 10215118, 20430236]

約数ペア:

[(1, 20430236), (2, 10215118), (4, 5107559), (127, 160868), (131, 155956), (254, 80434), (262, 77978), (307, 66548), (508, 40217), (524, 38989), (614, 33274), (1228, 16637)]