20517505902

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{30763}}^1$

素因数の和:30979

約数の個数: 80

約数和(自身を含む): 48242874240

約数和(自身を除く): 27725368338

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 179, 207, 358, 414, 537, 621, 1074, 1242, 1611, 1863, 3222, 3726, 4117, 4833, 8234, 9666, 12351, 14499, 24702, 28998, 30763, 37053, 61526, 74106, 92289, 111159, 184578, 222318, 276867, 333477, 553734, 666954, 707549, 830601, 1415098, 1661202, 2122647, 2491803, 4245294, 4983606, 5506577, 6367941, 11013154, 12735882, 16519731, 19103823, 33039462, 38207646, 49559193, 57311469, 99118386, 114622938, 126651271, 148677579, 253302542, 297355158, 379953813, 446032737, 759907626, 892065474, 1139861439, 2279722878, 3419584317, 6839168634, 10258752951, 20517505902]

約数ペア:

[(1, 20517505902), (2, 10258752951), (3, 6839168634), (6, 3419584317), (9, 2279722878), (18, 1139861439), (23, 892065474), (27, 759907626), (46, 446032737), (54, 379953813), (69, 297355158), (81, 253302542), (138, 148677579), (162, 126651271), (179, 114622938), (207, 99118386), (358, 57311469), (414, 49559193), (537, 38207646), (621, 33039462), (1074, 19103823), (1242, 16519731), (1611, 12735882), (1863, 11013154), (3222, 6367941), (3726, 5506577), (4117, 4983606), (4833, 4245294), (8234, 2491803), (9666, 2122647), (12351, 1661202), (14499, 1415098), (24702, 830601), (28998, 707549), (30763, 666954), (37053, 553734), (61526, 333477), (74106, 276867), (92289, 222318), (111159, 184578)]