20349375740

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1\times {\mathrm{16843}}^1$

素因数の和:17358

約数の個数: 48

約数和(自身を含む): 43094902368

約数和(自身を除く): 22745526628

約数列:

[1, 2, 4, 5, 10, 20, 193, 313, 386, 626, 772, 965, 1252, 1565, 1930, 3130, 3860, 6260, 16843, 33686, 60409, 67372, 84215, 120818, 168430, 241636, 302045, 336860, 604090, 1208180, 3250699, 5271859, 6501398, 10543718, 13002796, 16253495, 21087436, 26359295, 32506990, 52718590, 65013980, 105437180, 1017468787, 2034937574, 4069875148, 5087343935, 10174687870, 20349375740]

約数ペア:

[(1, 20349375740), (2, 10174687870), (4, 5087343935), (5, 4069875148), (10, 2034937574), (20, 1017468787), (193, 105437180), (313, 65013980), (386, 52718590), (626, 32506990), (772, 26359295), (965, 21087436), (1252, 16253495), (1565, 13002796), (1930, 10543718), (3130, 6501398), (3860, 5271859), (6260, 3250699), (16843, 1208180), (33686, 604090), (60409, 336860), (67372, 302045), (84215, 241636), (120818, 168430)]