20114710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 45702144

約数和(自身を除く): 25587434

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 151, 154, 173, 302, 346, 385, 755, 770, 865, 1057, 1211, 1510, 1661, 1730, 1903, 2114, 2422, 3322, 3806, 5285, 6055, 8305, 9515, 10570, 11627, 12110, 13321, 16610, 19030, 23254, 26123, 26642, 52246, 58135, 66605, 116270, 130615, 133210, 182861, 261230, 287353, 365722, 574706, 914305, 1436765, 1828610, 2011471, 2873530, 4022942, 10057355, 20114710]

約数ペア:

[(1, 20114710), (2, 10057355), (5, 4022942), (7, 2873530), (10, 2011471), (11, 1828610), (14, 1436765), (22, 914305), (35, 574706), (55, 365722), (70, 287353), (77, 261230), (110, 182861), (151, 133210), (154, 130615), (173, 116270), (302, 66605), (346, 58135), (385, 52246), (755, 26642), (770, 26123), (865, 23254), (1057, 19030), (1211, 16610), (1510, 13321), (1661, 12110), (1730, 11627), (1903, 10570), (2114, 9515), (2422, 8305), (3322, 6055), (3806, 5285)]