20187898341

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1223}}^1\times {\mathrm{2803}}^1$

素因数の和:4193

約数の個数: 32

約数和(自身を含む): 29214001152

約数和(自身を除く): 9026102811

約数列:

[1, 3, 13, 39, 151, 453, 1223, 1963, 2803, 3669, 5889, 8409, 15899, 36439, 47697, 109317, 184673, 423253, 554019, 1269759, 2400749, 3428069, 5502289, 7202247, 10284207, 16506867, 44564897, 133694691, 517638419, 1552915257, 6729299447, 20187898341]

約数ペア:

[(1, 20187898341), (3, 6729299447), (13, 1552915257), (39, 517638419), (151, 133694691), (453, 44564897), (1223, 16506867), (1963, 10284207), (2803, 7202247), (3669, 5502289), (5889, 3428069), (8409, 2400749), (15899, 1269759), (36439, 554019), (47697, 423253), (109317, 184673)]