20003730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 51746688

約数和(自身を除く): 31742958

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 61, 85, 102, 122, 170, 183, 255, 305, 366, 510, 610, 643, 915, 1037, 1286, 1830, 1929, 2074, 3111, 3215, 3858, 5185, 6222, 6430, 9645, 10370, 10931, 15555, 19290, 21862, 31110, 32793, 39223, 54655, 65586, 78446, 109310, 117669, 163965, 196115, 235338, 327930, 392230, 588345, 666791, 1176690, 1333582, 2000373, 3333955, 4000746, 6667910, 10001865, 20003730]

約数ペア:

[(1, 20003730), (2, 10001865), (3, 6667910), (5, 4000746), (6, 3333955), (10, 2000373), (15, 1333582), (17, 1176690), (30, 666791), (34, 588345), (51, 392230), (61, 327930), (85, 235338), (102, 196115), (122, 163965), (170, 117669), (183, 109310), (255, 78446), (305, 65586), (366, 54655), (510, 39223), (610, 32793), (643, 31110), (915, 21862), (1037, 19290), (1286, 15555), (1830, 10931), (1929, 10370), (2074, 9645), (3111, 6430), (3215, 6222), (3858, 5185)]