20106138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 46811520

約数和(自身を除く): 26705382

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 59, 78, 102, 118, 177, 221, 257, 354, 442, 514, 663, 767, 771, 1003, 1326, 1534, 1542, 2006, 2301, 3009, 3341, 4369, 4602, 6018, 6682, 8738, 10023, 13039, 13107, 15163, 20046, 26078, 26214, 30326, 39117, 45489, 56797, 78234, 90978, 113594, 170391, 197119, 257771, 340782, 394238, 515542, 591357, 773313, 1182714, 1546626, 3351023, 6702046, 10053069, 20106138]

約数ペア:

[(1, 20106138), (2, 10053069), (3, 6702046), (6, 3351023), (13, 1546626), (17, 1182714), (26, 773313), (34, 591357), (39, 515542), (51, 394238), (59, 340782), (78, 257771), (102, 197119), (118, 170391), (177, 113594), (221, 90978), (257, 78234), (354, 56797), (442, 45489), (514, 39117), (663, 30326), (767, 26214), (771, 26078), (1003, 20046), (1326, 15163), (1534, 13107), (1542, 13039), (2006, 10023), (2301, 8738), (3009, 6682), (3341, 6018), (4369, 4602)]