20219872

素因数分解:

$2^5\times {\mathrm{181}}^1\times {\mathrm{3491}}^1$

素因数の和:3682

約数の個数: 24

約数和(自身を含む): 40039272

約数和(自身を除く): 19819400

約数列:

[1, 2, 4, 8, 16, 32, 181, 362, 724, 1448, 2896, 3491, 5792, 6982, 13964, 27928, 55856, 111712, 631871, 1263742, 2527484, 5054968, 10109936, 20219872]

約数ペア:

[(1, 20219872), (2, 10109936), (4, 5054968), (8, 2527484), (16, 1263742), (32, 631871), (181, 111712), (362, 55856), (724, 27928), (1448, 13964), (2896, 6982), (3491, 5792)]