20484060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1733}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 57679776

約数和(自身を除く): 37195716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1733, 1970, 2364, 2955, 3466, 3940, 5199, 5910, 6932, 8665, 10398, 11820, 17330, 20796, 25995, 34660, 51990, 103980, 341401, 682802, 1024203, 1365604, 1707005, 2048406, 3414010, 4096812, 5121015, 6828020, 10242030, 20484060]

約数ペア:

[(1, 20484060), (2, 10242030), (3, 6828020), (4, 5121015), (5, 4096812), (6, 3414010), (10, 2048406), (12, 1707005), (15, 1365604), (20, 1024203), (30, 682802), (60, 341401), (197, 103980), (394, 51990), (591, 34660), (788, 25995), (985, 20796), (1182, 17330), (1733, 11820), (1970, 10398), (2364, 8665), (2955, 6932), (3466, 5910), (3940, 5199)]