20650680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19121}}^1$

素因数の和:19141

約数の個数: 64

約数和(自身を含む): 68839200

約数和(自身を除く): 48188520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19121, 38242, 57363, 76484, 95605, 114726, 152968, 172089, 191210, 229452, 286815, 344178, 382420, 458904, 516267, 573630, 688356, 764840, 860445, 1032534, 1147260, 1376712, 1720890, 2065068, 2294520, 2581335, 3441780, 4130136, 5162670, 6883560, 10325340, 20650680]

約数ペア:

[(1, 20650680), (2, 10325340), (3, 6883560), (4, 5162670), (5, 4130136), (6, 3441780), (8, 2581335), (9, 2294520), (10, 2065068), (12, 1720890), (15, 1376712), (18, 1147260), (20, 1032534), (24, 860445), (27, 764840), (30, 688356), (36, 573630), (40, 516267), (45, 458904), (54, 382420), (60, 344178), (72, 286815), (90, 229452), (108, 191210), (120, 172089), (135, 152968), (180, 114726), (216, 95605), (270, 76484), (360, 57363), (540, 38242), (1080, 19121)]