20538570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4051}}^1$

素因数の和:4087

約数の個数: 48

約数和(自身を含む): 53389152

約数和(自身を除く): 32850582

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 4051, 5070, 8102, 12153, 20255, 24306, 40510, 52663, 60765, 105326, 121530, 157989, 263315, 315978, 526630, 684619, 789945, 1369238, 1579890, 2053857, 3423095, 4107714, 6846190, 10269285, 20538570]

約数ペア:

[(1, 20538570), (2, 10269285), (3, 6846190), (5, 4107714), (6, 3423095), (10, 2053857), (13, 1579890), (15, 1369238), (26, 789945), (30, 684619), (39, 526630), (65, 315978), (78, 263315), (130, 157989), (169, 121530), (195, 105326), (338, 60765), (390, 52663), (507, 40510), (845, 24306), (1014, 20255), (1690, 12153), (2535, 8102), (4051, 5070)]