20768100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1871}}^1$

素因数の和:1925

約数の個数: 72

約数和(自身を含む): 61746048

約数和(自身を除く): 40977948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 100, 111, 148, 150, 185, 222, 300, 370, 444, 555, 740, 925, 1110, 1850, 1871, 2220, 2775, 3700, 3742, 5550, 5613, 7484, 9355, 11100, 11226, 18710, 22452, 28065, 37420, 46775, 56130, 69227, 93550, 112260, 138454, 140325, 187100, 207681, 276908, 280650, 346135, 415362, 561300, 692270, 830724, 1038405, 1384540, 1730675, 2076810, 3461350, 4153620, 5192025, 6922700, 10384050, 20768100]

約数ペア:

[(1, 20768100), (2, 10384050), (3, 6922700), (4, 5192025), (5, 4153620), (6, 3461350), (10, 2076810), (12, 1730675), (15, 1384540), (20, 1038405), (25, 830724), (30, 692270), (37, 561300), (50, 415362), (60, 346135), (74, 280650), (75, 276908), (100, 207681), (111, 187100), (148, 140325), (150, 138454), (185, 112260), (222, 93550), (300, 69227), (370, 56130), (444, 46775), (555, 37420), (740, 28065), (925, 22452), (1110, 18710), (1850, 11226), (1871, 11100), (2220, 9355), (2775, 7484), (3700, 5613), (3742, 5550)]