20279916

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9883}}^1$

素因数の和:9915

約数の個数: 48

約数和(自身を含む): 55350400

約数和(自身を除く): 35070484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 9883, 19766, 29649, 39532, 59298, 88947, 118596, 177894, 187777, 266841, 355788, 375554, 533682, 563331, 751108, 1067364, 1126662, 1689993, 2253324, 3379986, 5069979, 6759972, 10139958, 20279916]

約数ペア:

[(1, 20279916), (2, 10139958), (3, 6759972), (4, 5069979), (6, 3379986), (9, 2253324), (12, 1689993), (18, 1126662), (19, 1067364), (27, 751108), (36, 563331), (38, 533682), (54, 375554), (57, 355788), (76, 266841), (108, 187777), (114, 177894), (171, 118596), (228, 88947), (342, 59298), (513, 39532), (684, 29649), (1026, 19766), (2052, 9883)]