20716470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{601}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 54093312

約数和(自身を除く): 33376842

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 383, 601, 766, 1149, 1202, 1803, 1915, 2298, 3005, 3447, 3606, 3830, 5409, 5745, 6010, 6894, 9015, 10818, 11490, 17235, 18030, 27045, 34470, 54090, 230183, 460366, 690549, 1150915, 1381098, 2071647, 2301830, 3452745, 4143294, 6905490, 10358235, 20716470]

約数ペア:

[(1, 20716470), (2, 10358235), (3, 6905490), (5, 4143294), (6, 3452745), (9, 2301830), (10, 2071647), (15, 1381098), (18, 1150915), (30, 690549), (45, 460366), (90, 230183), (383, 54090), (601, 34470), (766, 27045), (1149, 18030), (1202, 17235), (1803, 11490), (1915, 10818), (2298, 9015), (3005, 6894), (3447, 6010), (3606, 5745), (3830, 5409)]