20372970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:999

約数の個数: 64

約数和(自身を含む): 53032320

約数和(自身を除く): 32659350

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 43, 51, 85, 86, 102, 129, 170, 215, 255, 258, 430, 510, 645, 731, 929, 1290, 1462, 1858, 2193, 2787, 3655, 4386, 4645, 5574, 7310, 9290, 10965, 13935, 15793, 21930, 27870, 31586, 39947, 47379, 78965, 79894, 94758, 119841, 157930, 199735, 236895, 239682, 399470, 473790, 599205, 679099, 1198410, 1358198, 2037297, 3395495, 4074594, 6790990, 10186485, 20372970]

約数ペア:

[(1, 20372970), (2, 10186485), (3, 6790990), (5, 4074594), (6, 3395495), (10, 2037297), (15, 1358198), (17, 1198410), (30, 679099), (34, 599205), (43, 473790), (51, 399470), (85, 239682), (86, 236895), (102, 199735), (129, 157930), (170, 119841), (215, 94758), (255, 79894), (258, 78965), (430, 47379), (510, 39947), (645, 31586), (731, 27870), (929, 21930), (1290, 15793), (1462, 13935), (1858, 10965), (2193, 9290), (2787, 7310), (3655, 5574), (4386, 4645)]