20726970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 54867456

約数和(自身を除く): 34140486

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 107, 110, 165, 214, 321, 330, 535, 587, 642, 1070, 1174, 1177, 1605, 1761, 2354, 2935, 3210, 3522, 3531, 5870, 5885, 6457, 7062, 8805, 11770, 12914, 17610, 17655, 19371, 32285, 35310, 38742, 62809, 64570, 96855, 125618, 188427, 193710, 314045, 376854, 628090, 690899, 942135, 1381798, 1884270, 2072697, 3454495, 4145394, 6908990, 10363485, 20726970]

約数ペア:

[(1, 20726970), (2, 10363485), (3, 6908990), (5, 4145394), (6, 3454495), (10, 2072697), (11, 1884270), (15, 1381798), (22, 942135), (30, 690899), (33, 628090), (55, 376854), (66, 314045), (107, 193710), (110, 188427), (165, 125618), (214, 96855), (321, 64570), (330, 62809), (535, 38742), (587, 35310), (642, 32285), (1070, 19371), (1174, 17655), (1177, 17610), (1605, 12914), (1761, 11770), (2354, 8805), (2935, 7062), (3210, 6457), (3522, 5885), (3531, 5870)]