2018682020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{947}}^1\times {\mathrm{2011}}^1$

素因数の和:3020

約数の個数: 48

約数和(自身を含む): 4325928768

約数和(自身を除く): 2307246748

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 947, 1060, 1894, 2011, 3788, 4022, 4735, 8044, 9470, 10055, 18940, 20110, 40220, 50191, 100382, 106583, 200764, 213166, 250955, 426332, 501910, 532915, 1003820, 1065830, 1904417, 2131660, 3808834, 7617668, 9522085, 19044170, 38088340, 100934101, 201868202, 403736404, 504670505, 1009341010, 2018682020]

約数ペア:

[(1, 2018682020), (2, 1009341010), (4, 504670505), (5, 403736404), (10, 201868202), (20, 100934101), (53, 38088340), (106, 19044170), (212, 9522085), (265, 7617668), (530, 3808834), (947, 2131660), (1060, 1904417), (1894, 1065830), (2011, 1003820), (3788, 532915), (4022, 501910), (4735, 426332), (8044, 250955), (9470, 213166), (10055, 200764), (18940, 106583), (20110, 100382), (40220, 50191)]