20441880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56783}}^1$

素因数の和:56800

約数の個数: 48

約数和(自身を含む): 66437280

約数和(自身を除く): 45995400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56783, 113566, 170349, 227132, 283915, 340698, 454264, 511047, 567830, 681396, 851745, 1022094, 1135660, 1362792, 1703490, 2044188, 2271320, 2555235, 3406980, 4088376, 5110470, 6813960, 10220940, 20441880]

約数ペア:

[(1, 20441880), (2, 10220940), (3, 6813960), (4, 5110470), (5, 4088376), (6, 3406980), (8, 2555235), (9, 2271320), (10, 2044188), (12, 1703490), (15, 1362792), (18, 1135660), (20, 1022094), (24, 851745), (30, 681396), (36, 567830), (40, 511047), (45, 454264), (60, 340698), (72, 283915), (90, 227132), (120, 170349), (180, 113566), (360, 56783)]