20631182

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 37946880

約数和(自身を除く): 17315698

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 169, 179, 286, 338, 341, 358, 403, 682, 806, 1859, 1969, 2327, 3718, 3938, 4433, 4654, 5239, 5549, 8866, 10478, 11098, 25597, 30251, 51194, 57629, 60502, 61039, 72137, 115258, 122078, 144274, 332761, 665522, 793507, 937781, 1587014, 1875562, 10315591, 20631182]

約数ペア:

[(1, 20631182), (2, 10315591), (11, 1875562), (13, 1587014), (22, 937781), (26, 793507), (31, 665522), (62, 332761), (143, 144274), (169, 122078), (179, 115258), (286, 72137), (338, 61039), (341, 60502), (358, 57629), (403, 51194), (682, 30251), (806, 25597), (1859, 11098), (1969, 10478), (2327, 8866), (3718, 5549), (3938, 5239), (4433, 4654)]