20003764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21364556

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 47, 68, 94, 187, 188, 374, 517, 569, 748, 799, 1034, 1138, 1598, 2068, 2276, 3196, 6259, 8789, 9673, 12518, 17578, 19346, 25036, 26743, 35156, 38692, 53486, 106403, 106972, 212806, 294173, 425612, 454631, 588346, 909262, 1176692, 1818524, 5000941, 10001882, 20003764]

約数ペア:

[(1, 20003764), (2, 10001882), (4, 5000941), (11, 1818524), (17, 1176692), (22, 909262), (34, 588346), (44, 454631), (47, 425612), (68, 294173), (94, 212806), (187, 106972), (188, 106403), (374, 53486), (517, 38692), (569, 35156), (748, 26743), (799, 25036), (1034, 19346), (1138, 17578), (1598, 12518), (2068, 9673), (2276, 8789), (3196, 6259)]