20342131660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{559157}}^1$

素因数の和:559290

約数の個数: 48

約数和(自身を含む): 45654132384

約数和(自身を除く): 25312000724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 1070, 1819, 2140, 3638, 7276, 9095, 18190, 36380, 559157, 1118314, 2236628, 2795785, 5591570, 9505669, 11183140, 19011338, 38022676, 47528345, 59829799, 95056690, 119659598, 190113380, 239319196, 299148995, 598297990, 1017106583, 1196595980, 2034213166, 4068426332, 5085532915, 10171065830, 20342131660]

約数ペア:

[(1, 20342131660), (2, 10171065830), (4, 5085532915), (5, 4068426332), (10, 2034213166), (17, 1196595980), (20, 1017106583), (34, 598297990), (68, 299148995), (85, 239319196), (107, 190113380), (170, 119659598), (214, 95056690), (340, 59829799), (428, 47528345), (535, 38022676), (1070, 19011338), (1819, 11183140), (2140, 9505669), (3638, 5591570), (7276, 2795785), (9095, 2236628), (18190, 1118314), (36380, 559157)]