20156526

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:607

約数の個数: 80

約数和(自身を含む): 51592464

約数和(自身を除く): 31435938

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 81, 102, 117, 153, 162, 221, 234, 306, 351, 442, 459, 563, 663, 702, 918, 1053, 1126, 1326, 1377, 1689, 1989, 2106, 2754, 3378, 3978, 5067, 5967, 7319, 9571, 10134, 11934, 14638, 15201, 17901, 19142, 21957, 28713, 30402, 35802, 43914, 45603, 57426, 65871, 86139, 91206, 124423, 131742, 172278, 197613, 248846, 258417, 373269, 395226, 516834, 592839, 746538, 775251, 1119807, 1185678, 1550502, 2239614, 3359421, 6718842, 10078263, 20156526]

約数ペア:

[(1, 20156526), (2, 10078263), (3, 6718842), (6, 3359421), (9, 2239614), (13, 1550502), (17, 1185678), (18, 1119807), (26, 775251), (27, 746538), (34, 592839), (39, 516834), (51, 395226), (54, 373269), (78, 258417), (81, 248846), (102, 197613), (117, 172278), (153, 131742), (162, 124423), (221, 91206), (234, 86139), (306, 65871), (351, 57426), (442, 45603), (459, 43914), (563, 35802), (663, 30402), (702, 28713), (918, 21957), (1053, 19142), (1126, 17901), (1326, 15201), (1377, 14638), (1689, 11934), (1989, 10134), (2106, 9571), (2754, 7319), (3378, 5967), (3978, 5067)]