20168830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1013}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 39862368

約数和(自身を除く): 19693538

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1013, 1810, 1991, 2026, 3982, 5065, 9955, 10130, 11143, 19910, 22286, 55715, 111430, 183353, 366706, 916765, 1833530, 2016883, 4033766, 10084415, 20168830]

約数ペア:

[(1, 20168830), (2, 10084415), (5, 4033766), (10, 2016883), (11, 1833530), (22, 916765), (55, 366706), (110, 183353), (181, 111430), (362, 55715), (905, 22286), (1013, 19910), (1810, 11143), (1991, 10130), (2026, 9955), (3982, 5065)]