20876256

素因数分解:

$2^5\times 3^2\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:608

約数の個数: 72

約数和(自身を含む): 59852520

約数和(自身を除く): 38976264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 173, 288, 346, 419, 519, 692, 838, 1038, 1257, 1384, 1557, 1676, 2076, 2514, 2768, 3114, 3352, 3771, 4152, 5028, 5536, 6228, 6704, 7542, 8304, 10056, 12456, 13408, 15084, 16608, 20112, 24912, 30168, 40224, 49824, 60336, 72487, 120672, 144974, 217461, 289948, 434922, 579896, 652383, 869844, 1159792, 1304766, 1739688, 2319584, 2609532, 3479376, 5219064, 6958752, 10438128, 20876256]

約数ペア:

[(1, 20876256), (2, 10438128), (3, 6958752), (4, 5219064), (6, 3479376), (8, 2609532), (9, 2319584), (12, 1739688), (16, 1304766), (18, 1159792), (24, 869844), (32, 652383), (36, 579896), (48, 434922), (72, 289948), (96, 217461), (144, 144974), (173, 120672), (288, 72487), (346, 60336), (419, 49824), (519, 40224), (692, 30168), (838, 24912), (1038, 20112), (1257, 16608), (1384, 15084), (1557, 13408), (1676, 12456), (2076, 10056), (2514, 8304), (2768, 7542), (3114, 6704), (3352, 6228), (3771, 5536), (4152, 5028)]