20311096

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 41965560

約数和(自身を除く): 21654464

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 169, 181, 332, 338, 362, 664, 676, 724, 1079, 1352, 1448, 2158, 2353, 4316, 4706, 8632, 9412, 14027, 15023, 18824, 28054, 30046, 30589, 56108, 60092, 61178, 112216, 120184, 122356, 195299, 244712, 390598, 781196, 1562392, 2538887, 5077774, 10155548, 20311096]

約数ペア:

[(1, 20311096), (2, 10155548), (4, 5077774), (8, 2538887), (13, 1562392), (26, 781196), (52, 390598), (83, 244712), (104, 195299), (166, 122356), (169, 120184), (181, 112216), (332, 61178), (338, 60092), (362, 56108), (664, 30589), (676, 30046), (724, 28054), (1079, 18824), (1352, 15023), (1448, 14027), (2158, 9412), (2353, 8632), (4316, 4706)]