20537220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 66725568

約数和(自身を除く): 46188348

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 37, 44, 55, 58, 60, 66, 74, 87, 110, 111, 116, 132, 145, 148, 165, 174, 185, 220, 222, 290, 319, 330, 348, 370, 407, 435, 444, 555, 580, 638, 660, 740, 814, 841, 870, 957, 1073, 1110, 1221, 1276, 1595, 1628, 1682, 1740, 1914, 2035, 2146, 2220, 2442, 2523, 3190, 3219, 3364, 3828, 4070, 4205, 4292, 4785, 4884, 5046, 5365, 6105, 6380, 6438, 8140, 8410, 9251, 9570, 10092, 10730, 11803, 12210, 12615, 12876, 16095, 16820, 18502, 19140, 21460, 23606, 24420, 25230, 27753, 31117, 32190, 35409, 37004, 46255, 47212, 50460, 55506, 59015, 62234, 64380, 70818, 92510, 93351, 111012, 118030, 124468, 138765, 141636, 155585, 177045, 185020, 186702, 236060, 277530, 311170, 342287, 354090, 373404, 466755, 555060, 622340, 684574, 708180, 933510, 1026861, 1369148, 1711435, 1867020, 2053722, 3422870, 4107444, 5134305, 6845740, 10268610, 20537220]

約数ペア:

[(1, 20537220), (2, 10268610), (3, 6845740), (4, 5134305), (5, 4107444), (6, 3422870), (10, 2053722), (11, 1867020), (12, 1711435), (15, 1369148), (20, 1026861), (22, 933510), (29, 708180), (30, 684574), (33, 622340), (37, 555060), (44, 466755), (55, 373404), (58, 354090), (60, 342287), (66, 311170), (74, 277530), (87, 236060), (110, 186702), (111, 185020), (116, 177045), (132, 155585), (145, 141636), (148, 138765), (165, 124468), (174, 118030), (185, 111012), (220, 93351), (222, 92510), (290, 70818), (319, 64380), (330, 62234), (348, 59015), (370, 55506), (407, 50460), (435, 47212), (444, 46255), (555, 37004), (580, 35409), (638, 32190), (660, 31117), (740, 27753), (814, 25230), (841, 24420), (870, 23606), (957, 21460), (1073, 19140), (1110, 18502), (1221, 16820), (1276, 16095), (1595, 12876), (1628, 12615), (1682, 12210), (1740, 11803), (1914, 10730), (2035, 10092), (2146, 9570), (2220, 9251), (2442, 8410), (2523, 8140), (3190, 6438), (3219, 6380), (3364, 6105), (3828, 5365), (4070, 5046), (4205, 4884), (4292, 4785)]