20792280860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1355429}}^1$

素因数の和:1355510

約数の個数: 48

約数和(自身を含む): 47819570400

約数和(自身を除く): 27027289540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 7670, 15340, 1355429, 2710858, 5421716, 6777145, 13554290, 17620577, 27108580, 35241154, 70482308, 79970311, 88102885, 159940622, 176205770, 319881244, 352411540, 399851555, 799703110, 1039614043, 1599406220, 2079228086, 4158456172, 5198070215, 10396140430, 20792280860]

約数ペア:

[(1, 20792280860), (2, 10396140430), (4, 5198070215), (5, 4158456172), (10, 2079228086), (13, 1599406220), (20, 1039614043), (26, 799703110), (52, 399851555), (59, 352411540), (65, 319881244), (118, 176205770), (130, 159940622), (236, 88102885), (260, 79970311), (295, 70482308), (590, 35241154), (767, 27108580), (1180, 17620577), (1534, 13554290), (3068, 6777145), (3835, 5421716), (7670, 2710858), (15340, 1355429)]