20169990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13183}}^1$

素因数の和:13213

約数の個数: 48

約数和(自身を含む): 55531008

約数和(自身を除く): 35361018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13183, 26366, 39549, 65915, 79098, 118647, 131830, 197745, 224111, 237294, 395490, 448222, 593235, 672333, 1120555, 1186470, 1344666, 2016999, 2241110, 3361665, 4033998, 6723330, 10084995, 20169990]

約数ペア:

[(1, 20169990), (2, 10084995), (3, 6723330), (5, 4033998), (6, 3361665), (9, 2241110), (10, 2016999), (15, 1344666), (17, 1186470), (18, 1120555), (30, 672333), (34, 593235), (45, 448222), (51, 395490), (85, 237294), (90, 224111), (102, 197745), (153, 131830), (170, 118647), (255, 79098), (306, 65915), (510, 39549), (765, 26366), (1530, 13183)]