20444710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 47410272

約数和(自身を除く): 26965562

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 29, 34, 55, 58, 65, 85, 110, 130, 143, 145, 170, 187, 221, 286, 290, 319, 374, 377, 442, 493, 638, 715, 754, 841, 935, 986, 1105, 1430, 1595, 1682, 1870, 1885, 2210, 2431, 2465, 3190, 3770, 4147, 4205, 4862, 4930, 5423, 6409, 8294, 8410, 9251, 10846, 10933, 12155, 12818, 14297, 18502, 20735, 21866, 24310, 27115, 28594, 32045, 41470, 46255, 54230, 54665, 64090, 70499, 71485, 92510, 109330, 120263, 140998, 142970, 157267, 185861, 240526, 314534, 352495, 371722, 601315, 704990, 786335, 929305, 1202630, 1572670, 1858610, 2044471, 4088942, 10222355, 20444710]

約数ペア:

[(1, 20444710), (2, 10222355), (5, 4088942), (10, 2044471), (11, 1858610), (13, 1572670), (17, 1202630), (22, 929305), (26, 786335), (29, 704990), (34, 601315), (55, 371722), (58, 352495), (65, 314534), (85, 240526), (110, 185861), (130, 157267), (143, 142970), (145, 140998), (170, 120263), (187, 109330), (221, 92510), (286, 71485), (290, 70499), (319, 64090), (374, 54665), (377, 54230), (442, 46255), (493, 41470), (638, 32045), (715, 28594), (754, 27115), (841, 24310), (935, 21866), (986, 20735), (1105, 18502), (1430, 14297), (1595, 12818), (1682, 12155), (1870, 10933), (1885, 10846), (2210, 9251), (2431, 8410), (2465, 8294), (3190, 6409), (3770, 5423), (4147, 4930), (4205, 4862)]