20138448075

素因数分解:

$3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{9461}}^1$

素因数の和:9856

約数の個数: 48

約数和(自身を含む): 33748456032

約数和(自身を除く): 13610007957

約数列:

[1, 3, 5, 15, 25, 75, 101, 281, 303, 505, 843, 1405, 1515, 2525, 4215, 7025, 7575, 9461, 21075, 28381, 28383, 47305, 85143, 141905, 141915, 236525, 425715, 709525, 709575, 955561, 2128575, 2658541, 2866683, 4777805, 7975623, 13292705, 14333415, 23889025, 39878115, 66463525, 71667075, 199390575, 268512641, 805537923, 1342563205, 4027689615, 6712816025, 20138448075]

約数ペア:

[(1, 20138448075), (3, 6712816025), (5, 4027689615), (15, 1342563205), (25, 805537923), (75, 268512641), (101, 199390575), (281, 71667075), (303, 66463525), (505, 39878115), (843, 23889025), (1405, 14333415), (1515, 13292705), (2525, 7975623), (4215, 4777805), (7025, 2866683), (7575, 2658541), (9461, 2128575), (21075, 955561), (28381, 709575), (28383, 709525), (47305, 425715), (85143, 236525), (141905, 141915)]