20089784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1033}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 46902240

約数和(自身を除く): 26812456

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1033, 1144, 1496, 1768, 2066, 2431, 4132, 4862, 8264, 9724, 11363, 13429, 17561, 19448, 22726, 26858, 35122, 45452, 53716, 70244, 90904, 107432, 140488, 147719, 193171, 228293, 295438, 386342, 456586, 590876, 772684, 913172, 1181752, 1545368, 1826344, 2511223, 5022446, 10044892, 20089784]

約数ペア:

[(1, 20089784), (2, 10044892), (4, 5022446), (8, 2511223), (11, 1826344), (13, 1545368), (17, 1181752), (22, 913172), (26, 772684), (34, 590876), (44, 456586), (52, 386342), (68, 295438), (88, 228293), (104, 193171), (136, 147719), (143, 140488), (187, 107432), (221, 90904), (286, 70244), (374, 53716), (442, 45452), (572, 35122), (748, 26858), (884, 22726), (1033, 19448), (1144, 17561), (1496, 13429), (1768, 11363), (2066, 9724), (2431, 8264), (4132, 4862)]