20724210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17713}}^1$

素因数の和:17739

約数の個数: 48

約数和(自身を含む): 58031064

約数和(自身を除く): 37306854

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17713, 35426, 53139, 88565, 106278, 159417, 177130, 230269, 265695, 318834, 460538, 531390, 690807, 797085, 1151345, 1381614, 1594170, 2072421, 2302690, 3454035, 4144842, 6908070, 10362105, 20724210]

約数ペア:

[(1, 20724210), (2, 10362105), (3, 6908070), (5, 4144842), (6, 3454035), (9, 2302690), (10, 2072421), (13, 1594170), (15, 1381614), (18, 1151345), (26, 797085), (30, 690807), (39, 531390), (45, 460538), (65, 318834), (78, 265695), (90, 230269), (117, 177130), (130, 159417), (195, 106278), (234, 88565), (390, 53139), (585, 35426), (1170, 17713)]