20172905320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1\times {\mathrm{16111}}^1$

素因数の和:17506

約数の個数: 64

約数和(自身を含む): 47400215040

約数和(自身を除く): 27227309720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1361, 2722, 5444, 6805, 10888, 13610, 16111, 27220, 31303, 32222, 54440, 62606, 64444, 80555, 125212, 128888, 156515, 161110, 250424, 313030, 322220, 370553, 626060, 644440, 741106, 1252120, 1482212, 1852765, 2964424, 3705530, 7411060, 14822120, 21927071, 43854142, 87708284, 109635355, 175416568, 219270710, 438541420, 504322633, 877082840, 1008645266, 2017290532, 2521613165, 4034581064, 5043226330, 10086452660, 20172905320]

約数ペア:

[(1, 20172905320), (2, 10086452660), (4, 5043226330), (5, 4034581064), (8, 2521613165), (10, 2017290532), (20, 1008645266), (23, 877082840), (40, 504322633), (46, 438541420), (92, 219270710), (115, 175416568), (184, 109635355), (230, 87708284), (460, 43854142), (920, 21927071), (1361, 14822120), (2722, 7411060), (5444, 3705530), (6805, 2964424), (10888, 1852765), (13610, 1482212), (16111, 1252120), (27220, 741106), (31303, 644440), (32222, 626060), (54440, 370553), (62606, 322220), (64444, 313030), (80555, 250424), (125212, 161110), (128888, 156515)]