20119288554

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1240553}}^1$

素因数の和:1240631

約数の個数: 48

約数和(自身を含む): 47026921032

約数和(自身を除く): 26907632478

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 53, 102, 106, 153, 159, 306, 318, 477, 901, 954, 1802, 2703, 5406, 8109, 16218, 1240553, 2481106, 3721659, 7443318, 11164977, 21089401, 22329954, 42178802, 63268203, 65749309, 126536406, 131498618, 189804609, 197247927, 379609218, 394495854, 591743781, 1117738253, 1183487562, 2235476506, 3353214759, 6706429518, 10059644277, 20119288554]

約数ペア:

[(1, 20119288554), (2, 10059644277), (3, 6706429518), (6, 3353214759), (9, 2235476506), (17, 1183487562), (18, 1117738253), (34, 591743781), (51, 394495854), (53, 379609218), (102, 197247927), (106, 189804609), (153, 131498618), (159, 126536406), (306, 65749309), (318, 63268203), (477, 42178802), (901, 22329954), (954, 21089401), (1802, 11164977), (2703, 7443318), (5406, 3721659), (8109, 2481106), (16218, 1240553)]