20282940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37561}}^1$

素因数の和:37579

約数の個数: 48

約数和(自身を含む): 63104160

約数和(自身を除く): 42821220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37561, 75122, 112683, 150244, 187805, 225366, 338049, 375610, 450732, 563415, 676098, 751220, 1014147, 1126830, 1352196, 1690245, 2028294, 2253660, 3380490, 4056588, 5070735, 6760980, 10141470, 20282940]

約数ペア:

[(1, 20282940), (2, 10141470), (3, 6760980), (4, 5070735), (5, 4056588), (6, 3380490), (9, 2253660), (10, 2028294), (12, 1690245), (15, 1352196), (18, 1126830), (20, 1014147), (27, 751220), (30, 676098), (36, 563415), (45, 450732), (54, 375610), (60, 338049), (90, 225366), (108, 187805), (135, 150244), (180, 112683), (270, 75122), (540, 37561)]