20900700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7741}}^1$

素因数の和:7764

約数の個数: 72

約数和(自身を含む): 67200560

約数和(自身を除く): 46299860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7741, 15482, 23223, 30964, 38705, 46446, 69669, 77410, 92892, 116115, 139338, 154820, 193525, 209007, 232230, 278676, 348345, 387050, 418014, 464460, 580575, 696690, 774100, 836028, 1045035, 1161150, 1393380, 1741725, 2090070, 2322300, 3483450, 4180140, 5225175, 6966900, 10450350, 20900700]

約数ペア:

[(1, 20900700), (2, 10450350), (3, 6966900), (4, 5225175), (5, 4180140), (6, 3483450), (9, 2322300), (10, 2090070), (12, 1741725), (15, 1393380), (18, 1161150), (20, 1045035), (25, 836028), (27, 774100), (30, 696690), (36, 580575), (45, 464460), (50, 418014), (54, 387050), (60, 348345), (75, 278676), (90, 232230), (100, 209007), (108, 193525), (135, 154820), (150, 139338), (180, 116115), (225, 92892), (270, 77410), (300, 69669), (450, 46446), (540, 38705), (675, 30964), (900, 23223), (1350, 15482), (2700, 7741)]