20163020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1913}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 46303488

約数和(自身を除く): 26140468

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1913, 2108, 2635, 3826, 5270, 7652, 9565, 10540, 19130, 32521, 38260, 59303, 65042, 118606, 130084, 162605, 237212, 296515, 325210, 593030, 650420, 1008151, 1186060, 2016302, 4032604, 5040755, 10081510, 20163020]

約数ペア:

[(1, 20163020), (2, 10081510), (4, 5040755), (5, 4032604), (10, 2016302), (17, 1186060), (20, 1008151), (31, 650420), (34, 593030), (62, 325210), (68, 296515), (85, 237212), (124, 162605), (155, 130084), (170, 118606), (310, 65042), (340, 59303), (527, 38260), (620, 32521), (1054, 19130), (1913, 10540), (2108, 9565), (2635, 7652), (3826, 5270)]