20079410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{601}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 39139632

約数和(自身を除く): 19060222

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 601, 1202, 1285, 2570, 3005, 3341, 6010, 6682, 7813, 15626, 16705, 33410, 39065, 78130, 154457, 308914, 772285, 1544570, 2007941, 4015882, 10039705, 20079410]

約数ペア:

[(1, 20079410), (2, 10039705), (5, 4015882), (10, 2007941), (13, 1544570), (26, 772285), (65, 308914), (130, 154457), (257, 78130), (514, 39065), (601, 33410), (1202, 16705), (1285, 15626), (2570, 7813), (3005, 6682), (3341, 6010)]