20095445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 28097280

約数和(自身を除く): 8001835

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 391, 437, 541, 1615, 1955, 2185, 2705, 7429, 9197, 10279, 12443, 37145, 45985, 51395, 62215, 174743, 211531, 236417, 873715, 1057655, 1182085, 4019089, 20095445]

約数ペア:

[(1, 20095445), (5, 4019089), (17, 1182085), (19, 1057655), (23, 873715), (85, 236417), (95, 211531), (115, 174743), (323, 62215), (391, 51395), (437, 45985), (541, 37145), (1615, 12443), (1955, 10279), (2185, 9197), (2705, 7429)]