20189965815

素因数分解:

$3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{541}}^1\times {\mathrm{3083}}^1$

素因数の和:3904

約数の個数: 48

約数和(自身を含む): 35202379680

約数和(自身を除く): 15012413865

約数列:

[1, 3, 5, 9, 15, 45, 269, 541, 807, 1345, 1623, 2421, 2705, 3083, 4035, 4869, 8115, 9249, 12105, 15415, 24345, 27747, 46245, 138735, 145529, 436587, 727645, 829327, 1309761, 1667903, 2182935, 2487981, 4146635, 5003709, 6548805, 7463943, 8339515, 12439905, 15011127, 25018545, 37319715, 75055635, 448665907, 1345997721, 2243329535, 4037993163, 6729988605, 20189965815]

約数ペア:

[(1, 20189965815), (3, 6729988605), (5, 4037993163), (9, 2243329535), (15, 1345997721), (45, 448665907), (269, 75055635), (541, 37319715), (807, 25018545), (1345, 15011127), (1623, 12439905), (2421, 8339515), (2705, 7463943), (3083, 6548805), (4035, 5003709), (4869, 4146635), (8115, 2487981), (9249, 2182935), (12105, 1667903), (15415, 1309761), (24345, 829327), (27747, 727645), (46245, 436587), (138735, 145529)]