20634855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4259}}^1$

素因数の和:4303

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 16171545

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4259, 4845, 12777, 21295, 63885, 72403, 80921, 217209, 242763, 362015, 404605, 1086045, 1213815, 1375657, 4126971, 6878285, 20634855]

約数ペア:

[(1, 20634855), (3, 6878285), (5, 4126971), (15, 1375657), (17, 1213815), (19, 1086045), (51, 404605), (57, 362015), (85, 242763), (95, 217209), (255, 80921), (285, 72403), (323, 63885), (969, 21295), (1615, 12777), (4259, 4845)]