20213365540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2861}}^1\times {\mathrm{15359}}^1$

素因数の和:18252

約数の個数: 48

約数和(自身を含む): 44312002560

約数和(自身を除く): 24098637020

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 2861, 5722, 11444, 14305, 15359, 28610, 30718, 57220, 61436, 65803, 76795, 131606, 153590, 263212, 307180, 329015, 353257, 658030, 706514, 1316060, 1413028, 1766285, 3532570, 7065140, 43942099, 87884198, 175768396, 219710495, 439420990, 878841980, 1010668277, 2021336554, 4042673108, 5053341385, 10106682770, 20213365540]

約数ペア:

[(1, 20213365540), (2, 10106682770), (4, 5053341385), (5, 4042673108), (10, 2021336554), (20, 1010668277), (23, 878841980), (46, 439420990), (92, 219710495), (115, 175768396), (230, 87884198), (460, 43942099), (2861, 7065140), (5722, 3532570), (11444, 1766285), (14305, 1413028), (15359, 1316060), (28610, 706514), (30718, 658030), (57220, 353257), (61436, 329015), (65803, 307180), (76795, 263212), (131606, 153590)]