20756980244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5184061}}^1$

素因数の和:5184096

約数の個数: 48

約数和(自身を含む): 48771655296

約数和(自身を除く): 28014675052

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5184061, 10368122, 20736244, 36288427, 57024671, 67392793, 72576854, 114049342, 134785586, 145153708, 228098684, 269571172, 399172697, 471749551, 741320723, 798345394, 943499102, 1482641446, 1596690788, 1886998204, 2965282892, 5189245061, 10378490122, 20756980244]

約数ペア:

[(1, 20756980244), (2, 10378490122), (4, 5189245061), (7, 2965282892), (11, 1886998204), (13, 1596690788), (14, 1482641446), (22, 943499102), (26, 798345394), (28, 741320723), (44, 471749551), (52, 399172697), (77, 269571172), (91, 228098684), (143, 145153708), (154, 134785586), (182, 114049342), (286, 72576854), (308, 67392793), (364, 57024671), (572, 36288427), (1001, 20736244), (2002, 10368122), (4004, 5184061)]