20660940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38261}}^1$

素因数の和:38279

約数の個数: 48

約数和(自身を含む): 64280160

約数和(自身を除く): 43619220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38261, 76522, 114783, 153044, 191305, 229566, 344349, 382610, 459132, 573915, 688698, 765220, 1033047, 1147830, 1377396, 1721745, 2066094, 2295660, 3443490, 4132188, 5165235, 6886980, 10330470, 20660940]

約数ペア:

[(1, 20660940), (2, 10330470), (3, 6886980), (4, 5165235), (5, 4132188), (6, 3443490), (9, 2295660), (10, 2066094), (12, 1721745), (15, 1377396), (18, 1147830), (20, 1033047), (27, 765220), (30, 688698), (36, 573915), (45, 459132), (54, 382610), (60, 344349), (90, 229566), (108, 191305), (135, 153044), (180, 114783), (270, 76522), (540, 38261)]