17661920

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{661}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 42039648

約数和(自身を除く): 24377728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 661, 668, 835, 1322, 1336, 1670, 2644, 2672, 3305, 3340, 5288, 5344, 6610, 6680, 10576, 13220, 13360, 21152, 26440, 26720, 52880, 105760, 110387, 220774, 441548, 551935, 883096, 1103870, 1766192, 2207740, 3532384, 4415480, 8830960, 17661920]

約数ペア:

[(1, 17661920), (2, 8830960), (4, 4415480), (5, 3532384), (8, 2207740), (10, 1766192), (16, 1103870), (20, 883096), (32, 551935), (40, 441548), (80, 220774), (160, 110387), (167, 105760), (334, 52880), (661, 26720), (668, 26440), (835, 21152), (1322, 13360), (1336, 13220), (1670, 10576), (2644, 6680), (2672, 6610), (3305, 5344), (3340, 5288)]