20195524

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 18995516

約数列:

[1, 2, 4, 17, 34, 47, 68, 71, 89, 94, 142, 178, 188, 284, 356, 799, 1207, 1513, 1598, 2414, 3026, 3196, 3337, 4183, 4828, 6052, 6319, 6674, 8366, 12638, 13348, 16732, 25276, 56729, 71111, 107423, 113458, 142222, 214846, 226916, 284444, 296993, 429692, 593986, 1187972, 5048881, 10097762, 20195524]

約数ペア:

[(1, 20195524), (2, 10097762), (4, 5048881), (17, 1187972), (34, 593986), (47, 429692), (68, 296993), (71, 284444), (89, 226916), (94, 214846), (142, 142222), (178, 113458), (188, 107423), (284, 71111), (356, 56729), (799, 25276), (1207, 16732), (1513, 13348), (1598, 12638), (2414, 8366), (3026, 6674), (3196, 6319), (3337, 6052), (4183, 4828)]