20251845

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 38817792

約数和(自身を除く): 18565947

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1151, 1173, 1955, 3453, 3519, 5755, 5865, 10359, 17265, 17595, 19567, 26473, 51795, 58701, 79419, 97835, 132365, 176103, 238257, 293505, 397095, 450041, 880515, 1191285, 1350123, 2250205, 4050369, 6750615, 20251845]

約数ペア:

[(1, 20251845), (3, 6750615), (5, 4050369), (9, 2250205), (15, 1350123), (17, 1191285), (23, 880515), (45, 450041), (51, 397095), (69, 293505), (85, 238257), (115, 176103), (153, 132365), (207, 97835), (255, 79419), (345, 58701), (391, 51795), (765, 26473), (1035, 19567), (1151, 17595), (1173, 17265), (1955, 10359), (3453, 5865), (3519, 5755)]