20008081388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{357517}}^1$

素因数の和:358361

約数の個数: 24

約数和(自身を含む): 37118948832

約数和(自身を除く): 17110867444

約数列:

[1, 2, 4, 17, 34, 68, 823, 1646, 3292, 13991, 27982, 55964, 357517, 715034, 1430068, 6077789, 12155578, 24311156, 294236491, 588472982, 1176945964, 5002020347, 10004040694, 20008081388]

約数ペア:

[(1, 20008081388), (2, 10004040694), (4, 5002020347), (17, 1176945964), (34, 588472982), (68, 294236491), (823, 24311156), (1646, 12155578), (3292, 6077789), (13991, 1430068), (27982, 715034), (55964, 357517)]