20207910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2621}}^1$

素因数の和:2888

約数の個数: 32

約数和(自身を含む): 48706272

約数和(自身を除く): 28498362

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 257, 514, 771, 1285, 1542, 2570, 2621, 3855, 5242, 7710, 7863, 13105, 15726, 26210, 39315, 78630, 673597, 1347194, 2020791, 3367985, 4041582, 6735970, 10103955, 20207910]

約数ペア:

[(1, 20207910), (2, 10103955), (3, 6735970), (5, 4041582), (6, 3367985), (10, 2020791), (15, 1347194), (30, 673597), (257, 78630), (514, 39315), (771, 26210), (1285, 15726), (1542, 13105), (2570, 7863), (2621, 7710), (3855, 5242)]