20179508940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12456487}}^1$

素因数の和:12456508

約数の個数: 60

約数和(自身を含む): 63303872016

約数和(自身を除く): 43124363076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12456487, 24912974, 37369461, 49825948, 62282435, 74738922, 112108383, 124564870, 149477844, 186847305, 224216766, 249129740, 336325149, 373694610, 448433532, 560541915, 672650298, 747389220, 1008975447, 1121083830, 1345300596, 1681625745, 2017950894, 2242167660, 3363251490, 4035901788, 5044877235, 6726502980, 10089754470, 20179508940]

約数ペア:

[(1, 20179508940), (2, 10089754470), (3, 6726502980), (4, 5044877235), (5, 4035901788), (6, 3363251490), (9, 2242167660), (10, 2017950894), (12, 1681625745), (15, 1345300596), (18, 1121083830), (20, 1008975447), (27, 747389220), (30, 672650298), (36, 560541915), (45, 448433532), (54, 373694610), (60, 336325149), (81, 249129740), (90, 224216766), (108, 186847305), (135, 149477844), (162, 124564870), (180, 112108383), (270, 74738922), (324, 62282435), (405, 49825948), (540, 37369461), (810, 24912974), (1620, 12456487)]