20044980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{577}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 61224072

約数和(自身を除く): 41179092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 577, 579, 772, 965, 1154, 1158, 1731, 1737, 1930, 2308, 2316, 2885, 2895, 3462, 3474, 3860, 5193, 5770, 5790, 6924, 6948, 8655, 8685, 10386, 11540, 11580, 17310, 17370, 20772, 25965, 34620, 34740, 51930, 103860, 111361, 222722, 334083, 445444, 556805, 668166, 1002249, 1113610, 1336332, 1670415, 2004498, 2227220, 3340830, 4008996, 5011245, 6681660, 10022490, 20044980]

約数ペア:

[(1, 20044980), (2, 10022490), (3, 6681660), (4, 5011245), (5, 4008996), (6, 3340830), (9, 2227220), (10, 2004498), (12, 1670415), (15, 1336332), (18, 1113610), (20, 1002249), (30, 668166), (36, 556805), (45, 445444), (60, 334083), (90, 222722), (180, 111361), (193, 103860), (386, 51930), (577, 34740), (579, 34620), (772, 25965), (965, 20772), (1154, 17370), (1158, 17310), (1731, 11580), (1737, 11540), (1930, 10386), (2308, 8685), (2316, 8655), (2885, 6948), (2895, 6924), (3462, 5790), (3474, 5770), (3860, 5193)]