20477236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12703}}^1$

素因数の和:12751

約数の個数: 24

約数和(自身を含む): 39839744

約数和(自身を除く): 19362508

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12703, 25406, 50812, 165139, 330278, 393793, 660556, 787586, 1575172, 5119309, 10238618, 20477236]

約数ペア:

[(1, 20477236), (2, 10238618), (4, 5119309), (13, 1575172), (26, 787586), (31, 660556), (52, 393793), (62, 330278), (124, 165139), (403, 50812), (806, 25406), (1612, 12703)]