20806561638

素因数分解:

$2^1\times 3^3\times {\mathrm{127}}^1\times {\mathrm{3033911}}^1$

素因数の和:3034049

約数の個数: 32

約数和(自身を含む): 46600888320

約数和(自身を除く): 25794326682

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 127, 254, 381, 762, 1143, 2286, 3429, 6858, 3033911, 6067822, 9101733, 18203466, 27305199, 54610398, 81915597, 163831194, 385306697, 770613394, 1155920091, 2311840182, 3467760273, 6935520546, 10403280819, 20806561638]

約数ペア:

[(1, 20806561638), (2, 10403280819), (3, 6935520546), (6, 3467760273), (9, 2311840182), (18, 1155920091), (27, 770613394), (54, 385306697), (127, 163831194), (254, 81915597), (381, 54610398), (762, 27305199), (1143, 18203466), (2286, 9101733), (3429, 6067822), (6858, 3033911)]