20964300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 70828800

約数和(自身を除く): 49864500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 67, 70, 75, 84, 100, 105, 134, 140, 149, 150, 175, 201, 210, 268, 298, 300, 335, 350, 402, 420, 447, 469, 525, 596, 670, 700, 745, 804, 894, 938, 1005, 1043, 1050, 1340, 1407, 1490, 1675, 1788, 1876, 2010, 2086, 2100, 2235, 2345, 2814, 2980, 3129, 3350, 3725, 4020, 4172, 4470, 4690, 5025, 5215, 5628, 6258, 6700, 7035, 7450, 8940, 9380, 9983, 10050, 10430, 11175, 11725, 12516, 14070, 14900, 15645, 19966, 20100, 20860, 22350, 23450, 26075, 28140, 29949, 31290, 35175, 39932, 44700, 46900, 49915, 52150, 59898, 62580, 69881, 70350, 78225, 99830, 104300, 119796, 139762, 140700, 149745, 156450, 199660, 209643, 249575, 279524, 299490, 312900, 349405, 419286, 499150, 598980, 698810, 748725, 838572, 998300, 1048215, 1397620, 1497450, 1747025, 2096430, 2994900, 3494050, 4192860, 5241075, 6988100, 10482150, 20964300]

約数ペア:

[(1, 20964300), (2, 10482150), (3, 6988100), (4, 5241075), (5, 4192860), (6, 3494050), (7, 2994900), (10, 2096430), (12, 1747025), (14, 1497450), (15, 1397620), (20, 1048215), (21, 998300), (25, 838572), (28, 748725), (30, 698810), (35, 598980), (42, 499150), (50, 419286), (60, 349405), (67, 312900), (70, 299490), (75, 279524), (84, 249575), (100, 209643), (105, 199660), (134, 156450), (140, 149745), (149, 140700), (150, 139762), (175, 119796), (201, 104300), (210, 99830), (268, 78225), (298, 70350), (300, 69881), (335, 62580), (350, 59898), (402, 52150), (420, 49915), (447, 46900), (469, 44700), (525, 39932), (596, 35175), (670, 31290), (700, 29949), (745, 28140), (804, 26075), (894, 23450), (938, 22350), (1005, 20860), (1043, 20100), (1050, 19966), (1340, 15645), (1407, 14900), (1490, 14070), (1675, 12516), (1788, 11725), (1876, 11175), (2010, 10430), (2086, 10050), (2100, 9983), (2235, 9380), (2345, 8940), (2814, 7450), (2980, 7035), (3129, 6700), (3350, 6258), (3725, 5628), (4020, 5215), (4172, 5025), (4470, 4690)]