20960100

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{1109}}^1$

素因数の和:1139

約数の個数: 144

約数和(自身を含む): 77078400

約数和(自身を除く): 56118300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1109, 1260, 1350, 1575, 1890, 2100, 2218, 2700, 3150, 3327, 3780, 4436, 4725, 5545, 6300, 6654, 7763, 9450, 9981, 11090, 13308, 15526, 16635, 18900, 19962, 22180, 23289, 27725, 29943, 31052, 33270, 38815, 39924, 46578, 49905, 55450, 59886, 66540, 69867, 77630, 83175, 93156, 99810, 110900, 116445, 119772, 139734, 149715, 155260, 166350, 194075, 199620, 209601, 232890, 249525, 279468, 299430, 332700, 349335, 388150, 419202, 465780, 499050, 582225, 598860, 698670, 748575, 776300, 838404, 998100, 1048005, 1164450, 1397340, 1497150, 1746675, 2096010, 2328900, 2994300, 3493350, 4192020, 5240025, 6986700, 10480050, 20960100]

約数ペア:

[(1, 20960100), (2, 10480050), (3, 6986700), (4, 5240025), (5, 4192020), (6, 3493350), (7, 2994300), (9, 2328900), (10, 2096010), (12, 1746675), (14, 1497150), (15, 1397340), (18, 1164450), (20, 1048005), (21, 998100), (25, 838404), (27, 776300), (28, 748575), (30, 698670), (35, 598860), (36, 582225), (42, 499050), (45, 465780), (50, 419202), (54, 388150), (60, 349335), (63, 332700), (70, 299430), (75, 279468), (84, 249525), (90, 232890), (100, 209601), (105, 199620), (108, 194075), (126, 166350), (135, 155260), (140, 149715), (150, 139734), (175, 119772), (180, 116445), (189, 110900), (210, 99810), (225, 93156), (252, 83175), (270, 77630), (300, 69867), (315, 66540), (350, 59886), (378, 55450), (420, 49905), (450, 46578), (525, 39924), (540, 38815), (630, 33270), (675, 31052), (700, 29943), (756, 27725), (900, 23289), (945, 22180), (1050, 19962), (1109, 18900), (1260, 16635), (1350, 15526), (1575, 13308), (1890, 11090), (2100, 9981), (2218, 9450), (2700, 7763), (3150, 6654), (3327, 6300), (3780, 5545), (4436, 4725)]