20473659

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1787}}^1$

素因数の和:1879

約数の個数: 24

約数和(自身を含む): 31611840

約数和(自身を除く): 11138181

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 1787, 3819, 5361, 11457, 16083, 33953, 101859, 119729, 305577, 359187, 1077561, 2274851, 6824553, 20473659]

約数ペア:

[(1, 20473659), (3, 6824553), (9, 2274851), (19, 1077561), (57, 359187), (67, 305577), (171, 119729), (201, 101859), (603, 33953), (1273, 16083), (1787, 11457), (3819, 5361)]