20228145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{503}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 16930767

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 383, 503, 1149, 1509, 1915, 2515, 2681, 3521, 5745, 7545, 8043, 10563, 13405, 17605, 40215, 52815, 192649, 577947, 963245, 1348543, 2889735, 4045629, 6742715, 20228145]

約数ペア:

[(1, 20228145), (3, 6742715), (5, 4045629), (7, 2889735), (15, 1348543), (21, 963245), (35, 577947), (105, 192649), (383, 52815), (503, 40215), (1149, 17605), (1509, 13405), (1915, 10563), (2515, 8043), (2681, 7545), (3521, 5745)]